Identify the Correct Definition of Peristalsis

Identify the correct definition of peristalsis.

A) Peristalsis refers to the abnormal involuntary repetitive body movements caused by a distortion of voluntary muscle movement.
B) Peristalsis is the process in which water moves across membranes following the movement of sodium ions.
C) Peristalsis is a wavelike movement in which circular contraction and relaxation of the intestinal muscles moves contents toward the rectum.
D) None of these are correct.