What is the main function of villi in the small intestine?

What is the main function of villi in the small intestine?

  • Increase surface area for absorption
  • Produce enzymes
  • Store nutrients
  • Filter waste
The correct option is: Increase surface area for absorption
Villi increase the surface area of the small intestine, which maximizes the absorption of nutrients from digested food into the bloodstream.
Tags: digestionvillibiology