The Heart and Circulatory System in Science
The Heart and Circulatory
System
1
st
Year Science
True or False?
Arteries
carry blood
from the
heart
Arteries
carry
oxygenated
blood
Capillaries
connect
arteries and
veins
Capillaries
have very
thick walls
Veins have
no valves
Capillaries
have valves
to prevent
the backflow
of blood
Veins have a
large space
inside
Arteries
carry de-
oxygenated
blood
Veins carry
blood
towards the
heart
What does the heart do?
•
The heart is a muscle that pumps blood around
the body
•
It pumps oxygenated blood from the lungs
around the body
•
It pumps deoxygenated blood from the body
back to the lungs
Now look at the heart animation!
Looking at the heart…..
•
The right side of my heart pumps blood to
my lungs
•
The left side of my heart pumps blood to
the rest of my body
•
The heart contains four valves to stop the
backflow of blood
http://www.bbc.co.uk/scotland/education/bitesize/standard/
biology/the_body_in_action/the_need_for_energy_rev6.sht
ml
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www.worldofteaching.com
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Explore the key concepts of the heart and circulatory system, including the functions of arteries, veins, and capillaries. Learn about how the heart pumps oxygenated and deoxygenated blood, the role of valves, and the circulation process. Dive into engaging animations and resources to enhance your understanding.
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Presentation Transcript
The Heart and Circulatory System 1stYear Science
True or False? Capillaries have very thick walls Arteries carry blood from the heart Capillaries connect arteries and veins Veins carry blood towards the heart Veins have no valves Arteries carry de- oxygenated blood Arteries carry oxygenated blood Capillaries have valves to prevent the backflow of blood Veins have a large space inside
What does the heart do? The heart is a muscle that pumps blood around the body It pumps oxygenated blood from the lungs around the body It pumps deoxygenated blood from the body back to the lungs Now look at the heart animation!
Looking at the heart.. The right side of my heart pumps blood to my lungs The left side of my heart pumps blood to the rest of my body The heart contains four valves to stop the backflow of blood
http://www.bbc.co.uk/scotland/education/bitesize/standard/ biology/the_body_in_action/the_need_for_energy_rev6.sht ml
This powerpoint was kindly donated to www.worldofteaching.com http://www.worldofteaching.com is home to over a thousand powerpoints submitted by teachers. This is a completely free site and requires no registration. Please visit and I hope it will help in your teaching.
