1) what is the outermost layer of the small intestine? a) muscularis b) serosa c) submucosa d) mucosa 2) what is the function of the Brunners Glands? a) secrete bile b) secrete mucus and provide acidic conditions c) produce mucus and provide alkaline conditions 3) what are the 3 sections of the small intestine? a) villi, duodenum, microvilli b) duodenum, jejunum, ileum c) Brunners glands, Peyers Patches, ileum 4) does the large intestines have villi/microvilli? a) yes b) no 5) what are the folds in the stomach that secrete acid called? a) flappy flaps b) gastric fold c) gastric pits 6) which nutrient is absorbed in the small intestine? a) potassium b) carbohydrates c) vitamin k 7) which nutrient is absorbed by BOTH the small and large intestines? a) carbohydrates b) vitamin D c) water d) iron 8) what is the thickest layer? a) serosa b) muscularis c) submucosa d) mucosa 9) what do mucous cells do in the mucosa? a) act as a protection cell b) fights infections in the stomach c) secretes mucus linings to prevent the stomach digesting itself 10) what do goblet cells do? a) severe fe mucus to help the movement of food b) acts as a lining to the villi c) helps villi absorb nutrients

Tissue Wall Structure

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