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प्रश्न
Why does absorption of digested food occur mainly in the small intestine?
उत्तर
Absorption of digested food occurs mainly in the small intestine because it consist of many finger-like projections called villi that are supplied with numerous blood vessels. They provide a large surface area for the absorption of food.
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संबंधित प्रश्न
The opening of the stomach into the intestine is called ______.
How is the small intestine designed to absorb digested food?
Select the correct statement.
The enzyme responsible for the digestion of proteins in the small intestine is _____________.
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 the 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 each group and give reasons.
oesophagus, small intestine, large intestine, rectum
Finger-like projections enhance the absorbing capacity of the small intestine.
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.
