The Complexity of Human Anatomy in Cardiovascular Health

Explore the intricate organization of human tissues within arteries and veins, and uncover the vital roles they play in maintaining cardiovascular function. Learn about specific tissues such as collagen, muscle, and endothelium, and their significance in preventing diseases and regulating blood flow. Delve into the functions of valves and the mechanisms that prevent backflow, essential for sustaining a healthy circulatory system.

• Human Anatomy
• Cardiovascular Health
• Tissues in Arteries
• Tissues in Veins
• Blood Circulation

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1. 3.2.2 Organisational Complexity of the Human 1 Follow-Me iQuiz

2. Q. Name two tissues that are present in the walls of arteries and veins. Aorta; Near semilunar valve Protection against disease Left ventricle Aorta; Near semilunar valve Protection against disease Left ventricle Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Cut aorta; Cut pulmonary artery Plasma The lungs Cut aorta; Cut pulmonary artery Plasma The lungs Does not get tired Prevent back flow of blood into ventricle or from artery Thoracic Prevent back flow of blood into ventricle or from artery Does not get tired Thoracic Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen

3. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Please CLICK on THIS BOX for the Next Question

4. Q. What is the function of the valves? Aorta; Near semilunar valve Protection against disease Left ventricle Aorta; Near semilunar valve Protection against disease Left ventricle Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Cut aorta; Cut pulmonary artery Plasma The lungs Cut aorta; Cut pulmonary artery Plasma The lungs Does not get tired Prevent back flow of blood into ventricle or from artery Thoracic Prevent back flow of blood into ventricle or from artery Does not get tired Thoracic Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen

5. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Please CLICK on THIS BOX for the Next Question

6. Q. Which chamber of the heart has the greatest amount of muscle in its wall? Aorta; Near semilunar valve Protection against disease Left ventricle Aorta; Near semilunar valve Protection against disease Left ventricle Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Cut aorta; Cut pulmonary artery Plasma The lungs Cut aorta; Cut pulmonary artery Plasma The lungs Does not get tired Prevent back flow of blood into ventricle or from artery Thoracic Prevent back flow of blood into ventricle or from artery Does not get tired Thoracic Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen

7. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Please CLICK on THIS BOX for the Next Question

8. Q. What is the function of collagen? Aorta; Near semilunar valve Protection against disease Left ventricle Aorta; Near semilunar valve Protection against disease Left ventricle Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Cut aorta; Cut pulmonary artery Plasma The lungs Cut aorta; Cut pulmonary artery Plasma The lungs Does not get tired Prevent back flow of blood into ventricle or from artery Thoracic Prevent back flow of blood into ventricle or from artery Does not get tired Thoracic Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen

9. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Please CLICK on THIS BOX for the Next Question

10. Q. State the procedure that you followed to expose a semilunar valve. Aorta; Near semilunar valve Protection against disease Left ventricle Aorta; Near semilunar valve Protection against disease Left ventricle Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Cut aorta; Cut pulmonary artery Plasma The lungs Cut aorta; Cut pulmonary artery Plasma The lungs Does not get tired Prevent back flow of blood into ventricle or from artery Thoracic Prevent back flow of blood into ventricle or from artery Does not get tired Thoracic Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen

11. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Please CLICK on THIS BOX for the Next Question

12. Q. State the precise location of the liver in the human body Aorta; Near semilunar valve Protection against disease Left ventricle Aorta; Near semilunar valve Protection against disease Left ventricle Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Cut aorta; Cut pulmonary artery Plasma The lungs Cut aorta; Cut pulmonary artery Plasma The lungs Does not get tired Prevent back flow of blood into ventricle or from artery Thoracic Prevent back flow of blood into ventricle or from artery Does not get tired Thoracic Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen

13. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Please CLICK on THIS BOX for the Next Question

14. Q. Where in your dissection did you find the origin of the coronary artery? Aorta; Near semilunar valve Protection against disease Left ventricle Aorta; Near semilunar valve Protection against disease Left ventricle Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Cut aorta; Cut pulmonary artery Plasma The lungs Cut aorta; Cut pulmonary artery Plasma The lungs Does not get tired Prevent back flow of blood into ventricle or from artery Thoracic Prevent back flow of blood into ventricle or from artery Does not get tired Thoracic Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen

15. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Please CLICK on THIS BOX for the Next Question

16. Q. What is the function of endothelium? Aorta; Near semilunar valve Protection against disease Left ventricle Aorta; Near semilunar valve Protection against disease Left ventricle Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Cut aorta; Cut pulmonary artery Plasma The lungs Cut aorta; Cut pulmonary artery Plasma The lungs Does not get tired Prevent back flow of blood into ventricle or from artery Thoracic Prevent back flow of blood into ventricle or from artery Does not get tired Thoracic Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen

17. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Please CLICK on THIS BOX for the Next Question

18. Q. What is the function of a semilunar valve? Aorta; Near semilunar valve Protection against disease Left ventricle Aorta; Near semilunar valve Protection against disease Left ventricle Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Cut aorta; Cut pulmonary artery Plasma The lungs Cut aorta; Cut pulmonary artery Plasma The lungs Does not get tired Prevent back flow of blood into ventricle or from artery Thoracic Prevent back flow of blood into ventricle or from artery Does not get tired Thoracic Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen

19. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Please CLICK on THIS BOX for the Next Question

20. Q. State a precise location in the human body at which red blood cells are made. Aorta; Near semilunar valve Protection against disease Left ventricle Aorta; Near semilunar valve Protection against disease Left ventricle Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Cut aorta; Cut pulmonary artery Plasma The lungs Cut aorta; Cut pulmonary artery Plasma The lungs Does not get tired Prevent back flow of blood into ventricle or from artery Thoracic Prevent back flow of blood into ventricle or from artery Does not get tired Thoracic Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen

21. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Please CLICK on THIS BOX for the Next Question

22. Q. Name the blood vessel that returns blood to the heart from the lungs. Aorta; Near semilunar valve Protection against disease Left ventricle Aorta; Near semilunar valve Protection against disease Left ventricle Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Cut aorta; Cut pulmonary artery Plasma The lungs Cut aorta; Cut pulmonary artery Plasma The lungs Does not get tired Prevent back flow of blood into ventricle or from artery Thoracic Prevent back flow of blood into ventricle or from artery Does not get tired Thoracic Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen

23. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Please CLICK on THIS BOX for the Next Question

24. Q. Name the two circuits of the human circulatory system. Aorta; Near semilunar valve Protection against disease Left ventricle Aorta; Near semilunar valve Protection against disease Left ventricle Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Cut aorta; Cut pulmonary artery Plasma The lungs Cut aorta; Cut pulmonary artery Plasma The lungs Does not get tired Prevent back flow of blood into ventricle or from artery Thoracic Prevent back flow of blood into ventricle or from artery Does not get tired Thoracic Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen

25. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Please CLICK on THIS BOX for the Next Question

26. Q. Name the cavity of the body in which the heart and lungs are located. Aorta; Near semilunar valve Protection against disease Left ventricle Aorta; Near semilunar valve Protection against disease Left ventricle Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Cut aorta; Cut pulmonary artery Plasma The lungs Cut aorta; Cut pulmonary artery Plasma The lungs Does not get tired Prevent back flow of blood into ventricle or from artery Thoracic Prevent back flow of blood into ventricle or from artery Does not get tired Thoracic Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen

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28. Q. State one way in which heart muscle differs from other muscles in the body. Aorta; Near semilunar valve Protection against disease Left ventricle Aorta; Near semilunar valve Protection against disease Left ventricle Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Cut aorta; Cut pulmonary artery Plasma The lungs Cut aorta; Cut pulmonary artery Plasma The lungs Does not get tired Prevent back flow of blood into ventricle or from artery Thoracic Prevent back flow of blood into ventricle or from artery Does not get tired Thoracic Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen

29. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Please CLICK on THIS BOX for the Next Question

30. Q. Describe the structure of the lymphatic system. Aorta; Near semilunar valve Protection against disease Left ventricle Aorta; Near semilunar valve Protection against disease Left ventricle Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Cut aorta; Cut pulmonary artery Plasma The lungs Cut aorta; Cut pulmonary artery Plasma The lungs Does not get tired Prevent back flow of blood into ventricle or from artery Thoracic Prevent back flow of blood into ventricle or from artery Does not get tired Thoracic Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen

31. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Please CLICK on THIS BOX for the Next Question

32. Q. State one factor that decreases heart rate. Aorta; Near semilunar valve Protection against disease Left ventricle Aorta; Near semilunar valve Protection against disease Left ventricle Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Cut aorta; Cut pulmonary artery Plasma The lungs Cut aorta; Cut pulmonary artery Plasma The lungs Does not get tired Prevent back flow of blood into ventricle or from artery Thoracic Prevent back flow of blood into ventricle or from artery Does not get tired Thoracic Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen

33. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Please CLICK on THIS BOX for the Next Question

34. Q. To where does the pulmonary artery carry blood? Aorta; Near semilunar valve Protection against disease Left ventricle Aorta; Near semilunar valve Protection against disease Left ventricle Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Cut aorta; Cut pulmonary artery Plasma The lungs Cut aorta; Cut pulmonary artery Plasma The lungs Does not get tired Prevent back flow of blood into ventricle or from artery Thoracic Prevent back flow of blood into ventricle or from artery Does not get tired Thoracic Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen

35. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Please CLICK on THIS BOX for the Next Question

36. Q. What is the function of the bicuspid valve? Aorta; Near semilunar valve Protection against disease Left ventricle Aorta; Near semilunar valve Protection against disease Left ventricle Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Cut aorta; Cut pulmonary artery Plasma The lungs Cut aorta; Cut pulmonary artery Plasma The lungs Does not get tired Prevent back flow of blood into ventricle or from artery Thoracic Prevent back flow of blood into ventricle or from artery Does not get tired Thoracic Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen

37. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Please CLICK on THIS BOX for the Next Question

38. Q. State one factor that increases heart rate. Aorta; Near semilunar valve Protection against disease Left ventricle Aorta; Near semilunar valve Protection against disease Left ventricle Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Cut aorta; Cut pulmonary artery Plasma The lungs Cut aorta; Cut pulmonary artery Plasma The lungs Does not get tired Prevent back flow of blood into ventricle or from artery Thoracic Prevent back flow of blood into ventricle or from artery Does not get tired Thoracic Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen

39. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Please CLICK on THIS BOX for the Next Question

40. Q. Name the blood vessel that supplies the heart muscle with blood. Aorta; Near semilunar valve Protection against disease Left ventricle Aorta; Near semilunar valve Protection against disease Left ventricle Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Cut aorta; Cut pulmonary artery Plasma The lungs Cut aorta; Cut pulmonary artery Plasma The lungs Does not get tired Prevent back flow of blood into ventricle or from artery Thoracic Prevent back flow of blood into ventricle or from artery Does not get tired Thoracic Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen

41. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Please CLICK on THIS BOX for the Next Question

42. Q. Name two substances that are dissolved in the liquid part of blood. Aorta; Near semilunar valve Protection against disease Left ventricle Aorta; Near semilunar valve Protection against disease Left ventricle Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Cut aorta; Cut pulmonary artery Plasma The lungs Cut aorta; Cut pulmonary artery Plasma The lungs Does not get tired Prevent back flow of blood into ventricle or from artery Thoracic Prevent back flow of blood into ventricle or from artery Does not get tired Thoracic Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen

43. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Please CLICK on THIS BOX for the Next Question

44. Q. Name the liquid part of blood. Aorta; Near semilunar valve Protection against disease Left ventricle Aorta; Near semilunar valve Protection against disease Left ventricle Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Cut aorta; Cut pulmonary artery Plasma The lungs Cut aorta; Cut pulmonary artery Plasma The lungs Does not get tired Prevent back flow of blood into ventricle or from artery Thoracic Prevent back flow of blood into ventricle or from artery Does not get tired Thoracic Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen

45. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Please CLICK on THIS BOX for the Next Question

46. Q. State a function of red corpuscles. Aorta; Near semilunar valve Protection against disease Left ventricle Aorta; Near semilunar valve Protection against disease Left ventricle Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Cut aorta; Cut pulmonary artery Plasma The lungs Cut aorta; Cut pulmonary artery Plasma The lungs Does not get tired Prevent back flow of blood into ventricle or from artery Thoracic Prevent back flow of blood into ventricle or from artery Does not get tired Thoracic Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen

47. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Please CLICK on THIS BOX for the Next Question

48. Q. State a function of white cells. Aorta; Near semilunar valve Protection against disease Left ventricle Aorta; Near semilunar valve Protection against disease Left ventricle Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Collagen; Muscle; Endothelium Lining of blood vessels Pulmonary vein Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Composed of lymph nodes and lymph vessels Marrow of long bones Pulmonary; Systemic Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Non-elastic fibres that prevent over expansion of blood vessels Coronary artery Sleep; Drugs (sedatives) Cut aorta; Cut pulmonary artery Plasma The lungs Cut aorta; Cut pulmonary artery Plasma The lungs Does not get tired Prevent back flow of blood into ventricle or from artery Thoracic Prevent back flow of blood into ventricle or from artery Does not get tired Thoracic Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood Fear/Fright; Exercise Transport oxygen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen Prevent backflow of blood from left ventricle to left auricle Upper abdomen under the diaphragm to the right of the stomach Glucose; Urea; Insulin; Fibrinogen

49. CONGRATULATIONS You re Brilliant

50. Incorrect Please CLICK on THIS BOX to Try Again Please CLICK on THIS BOX to Try Again