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(a) Draw a diagram of human elementary canal and label - Gall bladder, Pancreas, liver and small intestine on it.

(b) Give two reason to explain why absorption of digested food occurs mainly in the small intestine.

 

 

 

 
 
 
 
 

Answers (1)

a) 

b)

  • Inner surface of the small intestine has millions of tiny, finger-like projections which is called villi.
  • And presence of Villi gives the inner walls of small intestine greater surface area which helps in rapid absorption of food.
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