The process involved in passage of food in the alimentary canal is
A
Egestion
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B
Digestion
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C
Peristalsis
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D
Defaecation
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Solution
The correct option is C Peristalsis Peristalsis moves food through the digestive tract with alternating waves of muscle contraction and relaxation. Food leaves the mouth when the tongue and pharyngeal muscles propel it into the esophagus.