Question

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

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

Answer 1

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.