Understanding How Hormones Interact: The Endocrine System
The endocrine system comprises glands that release hormones into the bloodstream, influencing various bodily functions. Key glands include the pituitary, pineal, thyroid, pancreas, gonads, and adrenal glands, each playing a crucial role in regulating metabolism, growth, stress response, and reproduction. Hormones interact with the nervous system to control behavior, development, and physiological processes, showcasing the intricate connection between the endocrine and nervous systems.
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The Endocrine Glands LO 2.5 How Hormones Interact with the Nervous System and Affect Behavior Endocrine glands: glands that secrete chemicals called hormones directly into the bloodstream hormones: chemicals released into the bloodstream by endocrine glands Pituitary gland: gland located in the brain that secretes human growth hormone and influences all other hormone-secreting glands (also known as the master gland)
Figure 2.9 The Endocrine Glands The endocrine glands secrete hormones directly into the bloodstream, which carries them to organs in the body, such as the heart, pancreas, and sex organs.
The Endocrine Glands LO 2.5 How Hormones Interact with the Nervous System and Affect Behavior Pineal gland: endocrine gland located near the base of the cerebrum that secretes melatonin which help track day length and seasons Thyroid gland: endocrine gland found in the neck that regulates metabolism Pancreas: endocrine gland that controls the levels of sugar in the blood
The Endocrine Glands LO 2.5 How Hormones Interact with the Nervous System and Affect Behavior Gonads: the sex glands that secrete hormones that regulate sexual development and behavior as well as reproduction ovaries: the female gonads testes: the male gonads
The Endocrine Glands LO 2.5 How Hormones Interact with the Nervous System and Affect Behavior Adrenal glands: endocrine glands located on top of each kidney that secrete over thirty different hormones to deal with stress, regulate salt intake, and provide a secondary source of sex hormones affecting the sexual changes that occur during adolescence
