Give 2reasons to explain why absorption of digested food occurs mainly in the small intestine.
Answers
Explanation:
The small intestine has millions of tiny finger-like projections called villi. These villi increase the surface area for more efficient food absorption. Within these villi, many blood vessels are present that absorb the digested food and carry it to the bloodstream.
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The small intestine is the most important part of the digestive system. Maximum absorption occurs in the small intestine because of the following reasons;
(a) Digestion is completed in the small intestine.
(b) The inner lining of the small intestine is provided with villi which increase the surface area for absorption of digested food.
(c) Wall of the intestine is richly supplied with blood vessels which assimilate the absorbed food to the other parts of the body.
Answer:
The small intestine has millions of tiny finger-like projections called villi. These villi increase the surface area for more efficient food absorption. Within these villi, many blood vessels are present that absorb the digested food and carry it to the bloodstream.
The small intestine is the most important part of the digestive system. Maximum absorption occurs in the small intestine because of the following reasons;
(a) Digestion is completed in the small intestine.
(b) The inner lining of the small intestine is provided with villi which increase the surface area for absorption of digested food.
(c) Wall of the intestine is richly supplied with blood vessels which assimilate the absorbed food to the other parts of the body.
Therefore, the correct answer is option D.
Explanation:
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