Hormones

A) are generally released into interstitial fluid.
B) help regulate the function of all the body systems.
C) influence the metabolism of cells.
D) are an essential component of the body's response to stress.
E) All of the answer choices accurately describe hormones.

Interstitial Fluid

Fluid that surrounds the body’s cells; consists of dissolved substances that leave the blood capillaries by filtration and diffusion.

Metabolism

The set of life-sustaining chemical reactions in organisms to convert food into energy, and build or maintain their cells.