The diagram shows some food moving along the alimentary canal. What is the name of the process that pushes the food along?
A
Absorption
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B
Digestion
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C
Peristalsis
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D
Swallowing
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Solution
The correct option is A Peristalsis The involuntary constriction and relaxation of the muscles of the intestinal canal, creating wave-like movements which push the contents of the canal forward is known as peristalsis. Peristalsis helps the food move along the alimentary canal.