The ileum contains ________ that project into the lumen and increase the amount of surface area.

2 answers:

6 0

Hello! The ileum contains villi that project into the lumen and increase the amount of surface area. Hope this helps!

Ivanshal [37]3 years ago

5 0

The ileum contains villi that project into the lumen and increase the amount of surface area.

Villi are small finger-like structures that project into the lumen of the small intestine. Villi increase the surface area of the intestinal walls for easy and quick absorption of digested food with the addition of digestive secretions. Villi vary in length from about 0.5 to 1 mm. They are usually found in large numbers at the beginning of the small intestine and they reduce toward the end of the tract.

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