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प्रश्न
The finger-like outgrowths of Amoeba helps to ingest food. However, the finger-like outgrowths of human intestine helps to ______.
विकल्प
digest the fatty food substances.
make the food soluble.
absorb the digested food.
absorb the undigested food.
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उत्तर
The finger-like outgrowths of Amoeba helps to ingest food. However, the finger-like outgrowths of human intestine helps to absorb the digested food.
Explanation:
Finger-like outgrowths called villi are present in the small intestine. They increase the surface area of the small intestine for the absorption of digested food.
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संबंधित प्रश्न
The longest part of alimentary canal is ______.
How is the small intestine designed to absorb digested food?
Select the correct statement.
Assertion: All proteins in our food are digested in the small intestine only.
Reason: The protein digesting enzymes are released into the small intestine.
Read the following statements with reference to the villi of small intestine.
- They have very thin walls.
- They have a network of thin and small blood vessels close to the surface.
- They have small pores through which food can easily pass.
- They are finger-like projections
Identify those statements which enable the villi to absorb digested food.
Name the parts of the alimentary canal where digested food gets absorbed.
Choose the odd one out from the group and give reason.
Match the organs in Column I with the words listed in Column II.
| Column I | Column II | ||
| (a) | Rectum | (i) | Mucus |
| (b) | Gall bladder | (ii) | Villi |
| (c) | Stomach | (iii) | Taste buds |
| (d) | Tongue | (iv) | Faeces |
| (e) | Small intestine | (v) | Bile juice |
Assertion (A): The inner walls of the small intestine have finger like projections called villi which are rich in blood.
Reason (R): These villi have large surface area to help the small intestine in completing the digestion of food.
Visit a doctor and find out:
- Under what conditions does a patient need to be on a drip of glucose?
- Till when does a patient need to be given glucose?
- How does glucose help the patient recover?
Write the answers in your notebook.
