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Question

The intestinal villi are more numerous and larger in posterior part of small intestine because:

A
Digestion is faster in posterior part
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B
blood supply is poorer in anterior part
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C
Blood supply is poorer in posterior part
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D
there is more digested food in posterior part
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Solution

The correct option is D there is more digested food in posterior part
Intestinal villi (singular: villus) are small, finger-like projections that extend into the lumen of the small intestine. ... Villi increase the internal surface area of the intestinal walls making available a greater ... They have a large surface area so there will be more efficient absorption of fatty acids and glycerol into the blood stream.

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