Which of the following best states the purpose of villi?
a. increase surface area for purposes of absorption
b. speed up the elimination of wastes
c. speed up the loss of water from the body
d. increase the synthesis of enzymes

A.      Increase surface area for purposes of absorption

Intestinal villi, plural of villus are projections that forms a surface mount. It is found in the digestive system, mainly in intestines that majorly functions in the absorption of food. It is a second to metabolism, it helps absorb nutrients in the intestines by expanding the surface area of the organ. Moreover, this plays a major roles in aiding the process of metabolism –breaking down of the food to be absorbed and, retrieved and delivered by the red blood cells.

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