Multiple choice

Villi present on the inner lining of the intestinal wall

  1. Secretes enzymes for digestion

  2. Secretes hormones

  3. Decreases the surface area for absorption

  4. Increases the surface area for absorption

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Intestinal villi are small, finger-like projections that protrude from the epithelial lining of the intestinal wall. Villi increase the internal surface area of the intestinal walls. Increased surface area allows for increased intestinal wall area that is available for absorption.