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for glands embedded in the thyroid; secretes parathormone; controls announces level of calcium and phosphate (which influence levels of excitability)
located partially behind the stomach in the abdomen, and it functions as both an endocrine and exocrine gland. It produces digestive enzymes as well as insulin and glucagon
located one on each side of the uterus in the female pelvis, functioning to secrete estrogen and progesterone
the primary gland of the lymphatic system, located within the mediastinum; helps maintain the body's immune response by producing T lymphocytes
chemical messengers that are manufactured by the endocrine glands, travel through the bloodstream, and affect other tissues
Negative feedback mechanisms
The most common homeostatic control mechanism. The net effect is that the output of the system shuts off the original stimulus or reduces its intensity.
Support sperm formation; development and maintenance of male secondary sex characteristics; testies
stimulate uterine lining growth; development and maintenance of female secondary sex characteristics
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