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Answer: Peristalsis is a series of wave-like muscle contractions that move food through the digestive tract.

Explanation: It starts in the esophagus where strong wave-like motions of the smooth muscle move balls of swallowed food to the stomach.

Answer:

Peristalsis is the involuntary constriction and relaxation of the muscles of the intestine or another canal, creating wave-like movements that push the contents of the canal forward. (Peristalsis occurs in the esophagus)

Explanation:

I'm a med student and that's a lesson we already covered!

You're welcome for the answer and the full answer/explanation of what Peristalsis is.

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