Question Detail
Question
Finger-like projections on the walls of the small intestine that increase surface area for absorption are called:
Correct Answer
Option C is the correct answer.
Detailed Explanation
The walls of the small intestine contain villi and microvilli, finger-like projections that dramatically increase surface area for absorption. Villi are macroscopic folds, while microvilli are microscopic projections on the surface of absorptive cells.
Hint
These structures increase the surface area of the small intestine by hundreds of times.