The smell that first hits you when you open a bag of popcorn is perhaps one of the most satisfying, but it may be harmful to your health.
Chemical Nature of Hormones. Chemically, hormones may be classified as either proteins or steroids. All of the hormones in the human body, except the sex hormones and those from the adrenal cortex, are proteins or protein derivatives.ome endocrine glands secrete hormones in response to other hormones. The hormones that cause secretion of other hormones are called tropic hormones. A hormone from gland A causes gland B to secrete its hormone.
Parts of the Endocrine System. Hormones. Hormones are chemicals that control specific biological functions. They are made in your endocrine glands, secreted in small amounts directly into your bloodstream, and travel to other organs where they induce an action in the organâs cells.The Major Glands of the Endocrine System. Hypothalamus.he hypothalamusâ âreleasingâ hormones regulate the secretion of other hormones in your pituitary gland, which in turn affects other endocrine glands in your body. The hypothalamusâ âinhibitingâ hormones, as the name implies, turns off the secretion of some of the hormones released from the pituitary.