The thyroid gland is part of the endocrine system (along with the adrenal glands, hypothalamus, pituitary, ovaries, and testes, and other endocrine organs). The thyroid gland releases hormones into ...
The adrenal glands are two small glands located on top of the kidneys. They produce hormones that help regulate heart rate, blood pressure, the immune system, physical stress response, and other ...