Chemical substances secreted by cells into the extracellular fluids that travel through the blood and regulate the metabolic function of other cells in the body are called ________.
A) enzymes
B) antibodies
C) hormones
D) proteins

Question

Quizplus · Accepted Answer

Hormones are chemical messengers secreted by endocrine glands into the bloodstream that regulate physiological functions, such as growth and development, metabolism, and reproduction by acting on specific target cells. Enzymes are proteins that catalyze biochemical reactions. Antibodies are proteins that recognize and neutralize foreign substances in the body, while proteins are polymers of amino acids that perform various functions in the body.

Chemical Substances Secreted by Cells into the Extracellular Fluids That