Only two of the following statements accurately describe what happens in the mouth. I. Amylase b...

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Only two of the following statements accurately describe what happens in the mouth.
I. Amylase breaks down larger starch molecules into smaller maltose molecules.
II. Chewing increases the surface area of food for digestion.
III. Saliva emulsifies fats into smaller droplets.
IV. Teeth break up large insoluble molecules into smaller soluble molecules.
Which statements are correct?
(A) I and II
(B) II and III
(C) II and IV
(D) I and IV
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