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Question
Why does absorption of digested food occur mainly in the small intestine?
Solution
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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RELATED QUESTIONS
The longest part of alimentary canal is ______.
All are part of the small intestine, EXCEPT
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.
The finger-like outgrowths of Amoeba help to ingest food. However, the finger-like outgrowths of the human intestine help to
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.
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.
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.
