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The endocrine system includes all of the glands of the body and the hormones produced by those glands. The glands are controlled directly by stimulation from the nervous system as well as by chemical receptors in the blood and hormones produced by other glands. By regulating the functions of organs in the body, these glands help to maintain the bodyâs homeostasis.
Hormones are a kind of biochemical messengers. Most hormones are chemical substances produced by specialized tissue formations called endocrine glands. The substances are secreted directly into the bloodstream, other body fluids, or into adjacent tissues.The purpose of hormones is to regulate metabolic activity of some other organs or tissues of the body.Three different ways hormones act: 1. Alter the rate of synthesis of your cellular protein. 2. Change the rate of enzyme activity. 3. Change the rate of transport of nutrients through the cell wall.he purpose of hormones is to regulate metabolic activity of some other organs or tissues of the body. Three different ways hormones act: 1. Alter the rate of synthesis of your cellular protein. 2.