How does the villi help the small intestine to absorb sugars quickly?

Answer 1

Surface Area and Diffusion

The small intestine is all about maximizing surface area. The immense amount of folding enables it to be very long meaning more surface area. The villi further increases surface area. They are projections that provide even more membrane surface area that food, while passing through the small intestine, will come in contact with. This contact with the membrane of the small intestine is how absorption occurs. Nutrients that are used in the body will diffuse across the intestinal membrane into the blood stream because the concentration will be high inside the intestine and low in the blood plasma. This difference in concentration is what "drives" diffusion across the membrane.

Answer 2

Presence of villi covering the inner surface of the small intestine helps to future increase the small intestines surface for absorption. I hope this answers your question.

Laura

Biology Teacher

Answer 3

The villi massively increase the surface area of the small intestine.

Answer 4

The Villi helps by letting the nutrients pass through the villi and the walls of tiny blood vessels to enter your blood.

Answer 5

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Answer 6

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