Grade 12 Life Sciences: The Human Endocrine System and Homeostasis

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Last updated 3:55 PM on 8/17/26
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10 Terms

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Endocrine Glands
Ductless glands that release hormones directly into the bloodstream.
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Exocrine Glands
Glands that possess ducts and secrete substances through these ducts to the surface or into cavities.
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Hormone
An organic chemical substance produced by a ductless endocrine gland, transported via the bloodstream to regulate metabolic reactions.
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Hypothalamus
A part of the brain that controls the autonomic nervous system and the release of hormones from the pituitary gland.
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ADH (Anti-Diuretic Hormone)
A hormone produced by the hypothalamus and stored in the posterior lobe of the pituitary gland, which regulates water reabsorption in the kidneys.
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Pituitary Gland
Known as the master gland; it coordinates the functions of various endocrine glands.
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Thyroid Gland
A butterfly-shaped gland that releases thyroxin, controlling metabolism.
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Insulin
A hormone secreted by beta cells in the pancreas that lowers blood glucose levels.
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Glucagon
A hormone secreted by alpha cells in the pancreas that increases blood glucose levels.
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Cortisol
A hormone produced by the adrenal cortex that regulates metabolism and helps the body respond to stress.