27 Oct 2021
Problem 21
Page 1079
Section 37.3: Critical Thinking Questions
Chapter 37: The Endocrine System
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27 Oct 2021
Background and context
Hormones are chemical messengers which travel in the bloodstream to different cells, tissues and organs(target sites). They control and coordinate the activities throughout the body. They can be divided into three classes based on their chemical structure.
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