The rhythmic contraction and relaxation of muscles in the alimentary canal is known as ____ .

reflex

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osmosis

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peristalsis

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paralysis

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Solution

The correct option is C peristalsis
Peristalsis is a series of muscle contractions. These contractions occur in your digestive tract. Peristalsis is also seen in the tubes that connect the kidneys to the bladder. Peristalsis is an automatic and important process.

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