How are hormones distributed to tissues, and what determines which cells a hormone will affect?
Hormones are a part of the endocrine system in the body. They are small chemical molecules that are secreted by different glands or organs that are designed to invoke a chemical response within another specific type of cell in the body. In this way they can be thought of as cell to cell chemical messengers. Hormones travel through the body though the bloodstream. Once they reach...
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