Question

In which part of the alimentary canal does maximum absorption of water occur?

Answer 1

Answer:

small intestine does maximum absorption of water in alimentary canal .

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Answer 2

Answer:

‘Maximum absorption’ of water takes place in the large intestine of the alimentary canal.  

Explanation:

Although ‘water absorption’ takes place in almost all parts, large intestine is the place where it takes place maximally. Water absorption takes place due to presence of aquaport. These are special channels which help in water absorption by the use of energy.  

In certain diseases like cholera there is loss of absorption of water due to the cholera toxin. As a result there is watery stool. Zinc enhances absorption of water and hence is used as an adjuvant in diarrhea treatment.