Question

Give reasons for the following statement.

Villi has a network of very fine blood capillaries.

Answer 1

Villi:

1. Wall of small intestine is provided with small finger-like projections called villi.
2. Villi increase the surface area of absorption and digestion.
3. Villi have a network of fine blood capillaries because the food substances absorbed by villi enter the bloodstream through these capillaries.
   This process is called absorption.