Question

what is villi, structure, function plz write this answer for 3-5 marks question ,and 6-8 sentences ​

Answer 1

Answer:

Villi are specialized for absorption in the small intestine as they have a thin wall, one cell thick, which enables a shorter diffusion path. They have a large surface area so there will be more efficient absorption of fatty acids and glycerol into the blood stream.

Answer 2

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$explanation...$

Definition ⬇️

finger-like projections of the mucous membrane lining the small intestine of many vertebrates.

Function ⬇️

The villi of the small intestine project into the intestinal cavity, greatly increasing the surface area for food absorption and adding digestive secretions.

Structure ⬇️

The villi are small, finger-like projections about a millimeter in length that protrude from the circular folds. They cover the entire surface of the folds. The villi are separated by small crypts, which are small pockets where the cells grow and divide rapidly.