Question

Peristalsis occurs in:

A

Urethra

B

Trachea

C

Blood vessels

D

Alimentary canal

Medium
Solution
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Correct option is D)

The process of peristalsis begins in the oesophagus when a bolus of food is swallowed. The strong wave-like motions of the smooth muscles in the oesophagus carry the food to the stomach, where it is churned into a liquid mixture called chyme. The movement of food in the alimentary canal occurs through peristalsis.
Hence the correct answer is (D)

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