What is peristalsis?

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Science Expert

It is the type of movement of Music le in the oesophagus that help the food to table down.
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Computer science,post graduated,Keralite

Peristalsis is a series of wave-like muscle contractions that moves food to different processing stations in the digestive tract. The process of peristalsis begins in the esophagus when a bolus of food is swallowed.
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Postgraduate in Genetics

It is the involuntary contractions and relaxations of muscles around the intestine, which help the food to go down.
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