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Study the following statements with reference to the villi of small intestine: (A) They are finger - like outgrowths and thousands in number: (B) They have very thin walls. (C) They have a network of thin and small blood vessels close to the surface. (D) They have small pores through which food can easily pass. The statements which enable to villi to absorb the digested food are

Study the following statements with reference to the villi of small intestine: (A) They are finger - like outgrowths and thousands in number: (B) They have very thin walls. (C) They have a network of thin and small blood vessels close to the surface. (D) They have small pores through which food can easily pass. The statements which enable to villi to absorb the digested food are Correct Answer (A), (B) and (C)

Concept:

Absorption in Small Intestine

  • The food stored in the stomach, after going through the required processes goes to the small intestine.
  • The absorption of food takes place here first. 
  • This is the process of absorbing food by the blood vessels. 
  • For the process to happen, finger-like projection is present in the small intestine which is called villi. 
  • They have thin walls and mostly covered with a thin channel of blood capillaries.
  • This increases the surface area and ensures maximum absorption. 
  • Each villus has a network of thin and small blood vessels close to its surface.

Conclusion:

  • So, the correct Statements are
    • (A) They are finger-like outgrowths and thousands in number:
    • (B). They have very thin walls.
    • (C) They have a network of thin and small blood vessels close to the surface. 

Correct option is (A), (B) and (C). 

Related Questions

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