Although the stomach has a pH of 1.2-2, it does not autodigest because:

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    Food passes quickly through the stomach
    The pH is neutralized by food
    Mucous cells secrete a protective layer
    Pepsin is not released in the absence of protein
asked Jun 17, 2012 in Anatomy & Physiology by anonymous
    

1 Answer

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Mucous cells secrete a protective layer
answered Jun 17, 2012 by Bioshare ~Top Expert~ (34,070 points)

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