Question

Why is it useful to have a lot of capillaries inside each of the villi

Answer 1

Easier for diffusion to take place

Answer 2

Functions of the Villi. We've already stated that the small intestine's main job is to absorb nutrients from the food you eat and that your villi help by increasing the surface area the intestine has for absorption. ... Capillaries move blood the entire length of the villus