The release of chemicals from an endocrine or exocrine gland is referred to as ________.

A) absorption
B) diffusion
C) filtration
D) secretion

Endocrine

Relating to glands that secrete hormones directly into the bloodstream to regulate various bodily functions.

Exocrine

Glands that release their secretions outside the body or into a hollow organ, as opposed to directly into the bloodstream.

Secretion

Substance produced inside a cell and released from the cell.