Mechanical digestion reduces the size of ingested food,which increases the surface area of the food making chemical digestion more efficient.

Question

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Mechanical digestion, which includes chewing and churning of the stomach, breaks down food into smaller pieces, increasing the surface area of the food. This, in turn, allows enzymes to act on the food more efficiently during chemical digestion.

Mechanical Digestion Reduces the Size of Ingested Food,which Increases the Surface