Final answer:
Hormones are chemical messengers crucial for bodily functions and homeostasis, produced by endocrine glands and traveling to target cells through the bloodstream.
Explanation:
Hormones are chemical messengers produced by endocrine glands, traveling through the bloodstream to target cells to initiate specific reactions or cellular processes. The endocrine system controls body processes through hormone production, secretion, and regulation, crucial for maintaining homeostasis. These hormones serve as long-distance intercellular communication tools, coordinating and controlling various systems and organs in the body.
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