31. The structure in the villus shown by the letter D are the microvilli. The function of the microvilli is to increase the surface area of each of the epithelial cells lining the villi in the small intestine.
31. The structure in the villus shown by the letter D are the microvilli. The function of the microvilli is to increase the surface area of each of the epithelial cells lining the villi in the small intestine.
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