Hormones are substances that control very important process in the human body. For example, hormones are involved in growth, puberty, and breast-feeding. Hormones are produced in organs called endocrine organs. The hormones enter the bloodstream and reach other organs, where the have a specific effect.
The pituitary gland is an endocrine organ it is located in the brain. The thyroid is also an endocrine organ. it is located inside the neck, in front of the larynx.
miércoles, 3 de junio de 2009