Hormones travel via the bloodstream to the tissues and organs. Sending messages that tell the organs what to do and when to do it. It is the endocrine system that produces hormonal substances, which are regulated by the body. Hormones are produced by the pituitary gland and secreted by the pituitary gland..

Pituitary gland is referred to as the “master” gland of the endocrine system. Because it regulates the actions of several other glands in the endocrine system, including the thyroid. The pituitary is a small that is positioned near the base of the brain. And is no bigger than a pea. Nerve fibers and blood arteries connect the pituitary gland to the hypothalamus. (A portion of the brain that has an effect on the pituitary gland). In terms of structure, the pituitary gland is composed of two major structures. The anterior lobe and posterior lobe..

The adrenal gland in your body are responsible for releasing specific hormones directly into the bloodstream. Numerous hormones are involved in the body’s response to stress, and several require survival. The adrenal glands, specifically the adrenal cortex and medulla, have different and distinct activities..