Which of the following characteristics is NOT true for a hormone?
A. It is a chemical substance that circulates through the body to influence the body's processes.
B. It may be a messenger secreted by one gland to influence the secretion of another gland.
C. The body works best with hormones; however, can function without them, if needed.
D. Hormones are regulated by a negative feedback system.
Answer: C. The body works best with hormones; however, can function without them, if needed.
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