Involuntary muscle contractions move food through the intestinal tract. The movement that forces the contents back a few inches before pushing it forward again is called:
A)segmentation.
B)rotation.
C)peristalsis.
D)liquefaction.
E)digestion.

Question

Quizplus · Accepted Answer

Segmentation is the process where involuntary muscle contractions move food back and forth in the intestines, mixing it and breaking it down further.

Involuntary Muscle Contractions Move Food Through the Intestinal Tract