ical substances secreted by cells into the extracellular flu

ical substances secreted by cells into the extracellular fluids and that regulate the

metabolic function of other cells in the body are called ________.

A)

proteins

B)

hormones

C)

antibodies

D)

enzyme

Solution

B. Hormones

Hormones can be considered as the class of signalling molecules that are produced by various glands in the body and they are transported by the circulatory system to the target organs.