Animal hormones are organic compounds secreted by endocrine glands (majority) or neurosecretory cells (some) and act on a specific cells called target cells. They are either amino acid-derived steroid hormone. These are also called chemical messengers or signal molecules as they stimulate specific gene expression. Different hormones have different but specific physiological functions.
Hormones are our body's chemical messenger.they travel in your bloodstream to tissues or organs. They work slowly , over time and causes many different process. Like
Growth n development , metabolism, sexual function nd mood
