The correct option is
A Villi
- Digested food molecules are absorbed in the small intestine. This means that they pass through the wall of the small intestine and into our bloodstream.
- The small finger-like foldings in the small intestine are called villi.
- The cells lining the villi produce numerous microscopic projections called microvilli giving a brush border appearance.
- These modifications increase the surface area enormously. Hence, Food is absorbed through Villi.
So, the correct answer is 'Villi'.