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2 years ago

The surface design of the small intestine ______________ absorptive surface area

1 answer:

4 0

The surface design of the small intestine has plicae circulares, villi, and microvilli that can absorb about 250 square meters size of absorptive surface area.

The most of the digested food absorbed from the small intestine into blood in the human body. The small intestine has millions of tiny finger like projection called villi. These villi increase the surface area for more efficient food absorption, it increases the surface area upto 250 square meters size that is equal to a tennis court.

Within these villi, many blood vessels are present that absorb the digested food and carry it to bloodstream. Here, the digested food broken down into vitamins, minerals, proteins, carbohydrates and fats. All the nutrients are reached to different cells and tissues by means of blood.

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