Which is more efficient in propelling intestinal contents along the digestive tract: peristalsis or segmentation? Why?

A) segmentation; because it involves pushing the bolus forward
B) segmentation; because it involves mixing and churning
C) peristalsis; because it involves pushing the bolus forward
D) peristalsis; because it involves mixing and churning
E) both segmentation and peristalsis are equally effective at propelling intestinal contents along the digestive tract


Answer: C

Anatomy & Physiology

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