An endocrine gland located in the brain that makes hormones for the purpose of controlling the sleep-wake cycle.

An endocrine gland located in the neck that makes thyroid hormone and releases it in response to thyroid stimulating hormone (TSH) for the purpose of controlling metabolism.

Hormone secreted by beta cells located on the surface of the pancreas in response to elevations in blood glucose (sugar) levels, as for example, after eating a meal, for the purpose of bringing the level… 

A blood vessel that carries blood away from the heart.

The process of identifying a disease or disorder by its signs and symptoms.

  A defensive response of the body to injury or disease, causing redness, swelling, pain, and a feeling of heat in certain areas that is meant to protect affected tissues.

A blood vessel that carries blood toward the heart.