The Endocrine System

How the Endocrine System Works - News-Medical endocrine system Endocrine systems, also referred to as hormone systems, are found in all mammals, birds, fish, and many other types of living organisms skeletal system Overview The glands that make up the endocrine system produce chemical messengers called hormones that travel through the blood to other parts

immune system Learn how the endocrine system secretes hormones into the bloodstream from glands throughout the body, including thyroxine and adrenaline