The endocrine system refers to the cells, glands and organs that secrete hormones directly into the blood in order to control physiological and behavioural activities. The effects of the endocrine ...

The endocrine system secretes numerous hormones ... which carries them to organs and tissues to exert their functions. The pituitary gland is often subdivided into the posterior and anterior ...

Once a hormone has been used, it is destroyed by the liver. Hormones can control the body, and the effects are much slower than the nervous system, but they last for longer.