"Peristalsis" is a term that refers to the:
A)circulation of blood in the blood vessels.
B)absorption of food in the intestines.
C)mixing and moving of food through the lymphatic system.
D)action of the involuntary muscles of the digestive tract.

Question

Quizplus · Accepted Answer

Peristalsis refers to the wave-like contraction of the involuntary muscles in the digestive tract that propels food forward through the digestive system. Choices A, B, and C are incorrect because they do not accurately describe peristalsis. Peristalsis is the involuntary contraction and relaxation of the muscles in the walls of the digestive tract, which moves food along the tract.

"Peristalsis" Is a Term That Refers to The