Watch this animation (http://openstaxcollege.org/l/ stomach1) that depicts the structure
Chapter 23, Problem 4(choose chapter or problem)
Watch this animation (http://openstaxcollege.org/l/ stomach1) that depicts the structure of the stomach and how this structure functions in the initiation of protein digestion. This view of the stomach shows the characteristic rugae. What is the function of these rugae?
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