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Home Q & A Board Biology-Related Homework Help Cell Biology
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7 years ago
To increase the absorptive efficiency of the small intestine, the surface area of the mucosa is increased by the presence of folds in the wall called ________, and projections of the cell membrane called ________.
A) microvilli : villi
B) lacteals : rugae
C) microvilli : lacteals
D) rugae : lacteals
E) villi : microvilli
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