Answer:

Small Intestine is the part that you mentioned

a long folded tube which is attached to the stomach when nutrients are absorbed is known as the small intestine

Explanation:

• in case of the small intestine there are enough foldings finger like structures which are known as villi

• the villi increases the surface area which is present in the small intestine for more amount of absorption of the substances. In addition to this they have very thin membrane. The thinner the membrane the more is a diffusion of the substances across it

• as a result of this there is more amount of diffusion of the solids through the  membrane into the blood.

To know more about the villi,

why are the villi ideal sites for absorption of food? - Brainly.in

brainly.in/question/1179039