Peristalsis is defined as:

A) intravenous nourishment.
B) decreased digestive activity.
C) wavelike involuntary contractions.
D) increased defecation.

Peristalsis

The involuntary contractions and relaxations of muscles in the digestive tract that move food along the digestive process.

Intravenous Nourishment

The delivery of nutrition directly into the bloodstream, bypassing the digestive system, often used for patients who cannot eat normally.

Defecation

The discharge of feces from the body through the rectum.