what is peristalsis?which layer of the alimentary canal serve this process?In which part of the alimenatry canal,peristalsis is not observed
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Peristalsis, is involuntay movements of the longitudinal and circular muscles, in the digestive tract and also in other hollow tubes of the body. It occur in progressive wavelike contractions. Peristaltic waves occur in the esophagus, stomach, and intestines.
Muscularis externa is responsible for peristaltic movement.
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