Alimentary Canal


 
 
Concept Explanation
 

Alimentary Canal

Alimentary Canal:

In human beings, the digestive system constitutes a long tubular structure called the alimentary canal which is about 7 - 8 metres long. It extends from the mouth to the anus. The complete process of ingestion, digestion, absorption, assimilation and egestion of food material is done within the alimentary canal itself. The alimentary canal can be divided into various components. Starting from mouth to anus, different parts of the canal can be written as :

Buccal;Cavityrightarrow Food :Pipe(Oesophagus):rightarrow Stomach:rightarrow Small:Intestine rightarrow Large ;Intestine :rightarrow Anus

1. Mouth : It is the starting point of our digestive tract. Food is ingested through mouth. About 30 % of carbohydrates get digested in the mouth. The mouth is filled with watery substance named as saliva. Saliva is consists of mucus, water and enzymes etc.

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Sample Questions
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Question : 1

_______________ is the end point of alimentary canal.            

Right Option : B
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Question : 2

The longest part of the alimentary canal is _______________________

Right Option : C
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Question : 3

____________________ are used for the mechanical churning of food.

Right Option : A
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