AP Biology MCQ The Endocrine System Chemical substances secreted by cells into the extracellular fluids and that regulate the metabolic function of other cells in the body are called ________.

Chemical substances secreted by cells into the extracellular fluids and that regulate the metabolic function of other cells in the body are called ________.

Naim 06:25 The Endocrine System

Chemical substances secreted by cells into the extracellular fluids and that regulate the metabolic function of other cells in the body are called ________.

A) enzymes
B) antibodies
C) proteins
D) hormones

Answer: D

AP Biology MCQ

Chemical substances secreted by cells into the extracellular fluids and that regulate the metabolic function of other cells in the body are called ________.

Chemical substances secreted by cells into the extracellular fluids and that regulate the metabolic function of other cells in the body are called ________.

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