the Human Body / endocrine-glands-and-their-hormones
Facts about Endocrine Glands and Their Hormones
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Parathyroid glands, four small glands embedded in the thyroid, secrete parathyroid hormone (PTH), which raises blood calcium levels by stimulating bone resorption.
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Produced by the thyroid gland, thyroxine (T4) regulates metabolism, growth, and development throughout the body.
- 03
Melatonin, a hormone produced by the pineal gland in the brain, regulates the sleep-wake cycle in response to light and darkness.
- 02
Cortisol, a glucocorticoid hormone secreted by the adrenal cortex, plays a central role in the body's stress response by raising blood glucose levels.
- 01
The pancreas functions as both an endocrine gland, secreting insulin and glucagon into the blood, and an exocrine gland, releasing digestive enzymes into the intestine.