MCAT Question of the Day
    •

    Q:

    		 The mouth contributes to the start of digestion by:

    I. providing salivary amylase, which digests proteins.
    II. increasing the surface area of food.
    III. lubricating chewed food as it passes to the esophagus.

    		 

    A

    		 I and II only

    B

    		 I and III only

    C

    		 II and III only

    D

    		 I, II, and III



    Digestive System |
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