Endocrine System

A gland that releases hormones directly into the bloodstream. Endocrine gland. An endocrine gland is a part of the body that makes and releases hormones to help control how the body works.

A chemical produced in the body that affects the development of target cells. Hormone. Hormones are like messengers that help control how your body functions and develops.

A change caused by a signal that reduces the strength of that signal, like sweating slows as the body cools down. Negative feedback. Negative feedback is a process where a system responds to a change by reversing that change to maintain balance.

The master endocrine gland, it secretes hormones which control other endocrine glands and many body functions. Pituitary gland. The pituitary gland is a small gland in the brain that manages and regulates various vital functions and other hormone-producing glands in the body.

A chemical that stimulates glands to release their hormones. Releasing hormone. Releasing hormones are chemicals that signal glands in the body to release specific hormones, helping to regulate various body functions.

A cell that has a receptor for a particular hormone. Target cell. A target cell is a cell that responds to a particular hormone because it has specific receptors for that hormone.