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Both the esophagus and the small intestine are involved in the digestion of food. The esophagus squeezes food into the stomach by wave-like muscle contractions. Peptidase enzymes in the small intestine break food molecules into smaller molecules.

User Laureen
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Question? I mean a free fact is ok but why tho
User Tanvirgeek
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Answer:

A) The muscle contractions result in physical changes, while the action of the peptidase results in chemical changes.

User Hithyshi
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