muscular contraction of alimentary canal are ?

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Solution

Peristalsis is the rhythmic contraction and relaxation of the alimentary canal by virtue of which the bolus passes through it and makes its way to the stomach.

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Assertion [A]: Muscular contraction in the alimentary canal is called peristalsis.
Reason [R]: Deglutition has three phases - (Oral phase, Pharyngeal phase and Esophageal phase).

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