Question

What is the name for the series of smooth muscle contractions which move food through the digestive tract?

Answer 1

Peristalsis is a series of wave-like muscle contractions that moves food to different processing stations in the digestive tract. ... The strong wave-like motions of the smooth muscle in the esophagus carry the food to the stomach, where it is churned into a liquid mixture called chyme.

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Answer 2

in simple wards it's sphincter muscles