Chewing physically and mechanically breaks up the food and increases the surface area of food exposed to digestive enzymes, breaking food down into smaller pieces. Chewing also mixes some enzymes with the food, allowing for easier digestion. Therefore, all of these options are correct.

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Chewing

Question 8

Multiple Choice

Chewing

A) breaks food down into smaller pieces.
B) physically and mechanically breaks up the food.
C) increases the surface area of food exposed to digestive enzymes.
D) mixes some enzymes with the food.
E) does all of these.

Correct Answer: