The endocrine system is a complex system made up of the endocrine gland which secretes a hormone or a stimulating hormone. The hormones are regulated by two mechanisms: Positive and negative feedback mechanisms. Protein hormones are water soluble while the steroid hormones are not. These secretions of the endocrine glands are of two types that are chemical in nature: Protein and Steroid. What are hormones?īefore we can learn about the endocrine system, different organs, and glands present in it, we should understand what are hormones. Hormones are chemical messengers that are responsible for regulating various functions of the body such as cell growth, metabolism, reproduction and sexual changes. The endocrine system in humans is made up of the endocrine glands and their secretions known as hormones. The exocrine glands pour their secretions into the bloodstream via ducts whereas the endocrine glands pour their secretions into the bloodstream. There are two types of glands in our body- exocrine and endocrine.
