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Question

Select what is not true of intestinal villi among following
(a) they possess microvilli
(b) they increase the surface area
(c) they are supplied with capillaries and the lacteal vessels
(d) they only participate in digestion of fats

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Solution

Option (d) they only participate in digestion of fats , is not true.

Intestinal villi are the numerous small finger-shaped projections which increases the absorptive surface area. They contain abundant blood capillaries and lymph vessels called lacteals, They also possess countless minute microvilli which further add to the absorptive surface. They do not participate in the digestion of fats but helps in their absorption and various other food substances such as water, mineral, salts, amino acids, vitamins, etc.


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