Biology 11

Human Anatomy. Second Examination. 1. The lining of the lumen of the GI tract (innermost layer) is the. a. tunica mucosa b. tunica muscularis c. tunica serosa d. tunica submucosa. 2. The digestion of proteins (chemical digestion) takes place in the. a. stomach and small intestines b. mouth only c. small intestines only d. stomach only . e ... ................
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