Peristalsis is alternate and rhythmic contraction and relaxation of muscles in the ________ .

alimentary canal

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oesophagus

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intestine

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stomach

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Solution

The correct option is A
alimentary canal

Peristalsis is alternate and rhythmic contraction and relaxation of muscles in the alimentary canal from the oesophagus to anus. This facilitates the easy and smooth movement of food during the process of digestion.

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