Question

why villi are essential for complete absorption of nutrition of food​

Answer 1

Answer:

The function of the plicae circulares, the villi, and the microvilli is to increase the amount of surface area available for the absorption of nutrients. Each villus transports nutrients to a network of capillaries and fine lymphatic vessels called lacteals close to its surface.

Explanation:

hope it will be right

Answer 2

Answer:

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$\bold\blue{Villi}$ ÷

Villi are small finger-like projections found inside the inner walls of the small intestine. They v increase the surface area for absorption of the digested food. Each villus has a network of thin and small blood vessels close to its surface. The surface of the villi absorbs the digested food materials.

$\bold\red{Question}$

why villi are essential for complete absorption of nutrition of food?

$\bold\pink{Answer}$

The main function of villi is to increase the surface area of the small intestine wall which helps in absorption of the digested food. This increased areà for absorption is very useful as digested compounds liké monosaccharide and amino acids päss into the semipermeable villi by diffusion hence villi are essential for complete absorption of nutrition of food.