Multiple Choice
Epithelial cells are continually being shed from the intestinal villi because
A) the intracellular enzymes cause the cells to disintegrate and slough off
B) the body needs a continual supply of protein derived from the digestion of these cells
C) new cells are produced continually in the crypts and then they migrate upward
D) acid entering the small intestine constantly destroys the villi, causing the cells to slough
E) of factors other than those mentioned above
Correct Answer:
Verified
Correct Answer:
Verified
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