what is mechanical digestion
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Mechanical digestion involves physically breaking the food into smaller pieces. Mechanical digestion begins in the mouth as the food is chewed. Chemical digestion involves breaking down the food into simpler nutrients that can be used by the cells.
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Mechanical digestion involves physically breaking the food into smaller
pieces. Mechanical digestion begins in the mouth as the food is chewed.
pieces. Mechanical digestion begins in the mouth as the food is chewed.
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