Question

What are villi?

Answer 1

Villi:

1. They are small finger-like foldings in the small intestine.
2. A network of capillaries and a big lymph vessel called the lacteal supply the villi.
3. Villi enhance the absorption surface area.
4. The blood vessels of the villi transport ingested food to each and every cell in the body, where it is used to obtain energy, develop new tissues, and repair damaged ones.