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Alimentary canal is defined as a long tube that extends from mouth to anus . it is also called gut .
        it comprises of different organs that coordinate with each other and forms an organ system called digestive system . 

    Mouth - responsible for intake of nutrition ( food ) 
    Tongue - responsible for mastication as well as tasting the food .
    Teeth -  responsible for grinding , cutting and chewing the food 
    salivary gland - responsible for wetting of food for swallowing 

     Oesophagus - responsible for transfer from buccal cavity to stomach by peristaltic movement . 
     stomach - secretes HCl that makes the medium acidic , pepsin breaks down protein .
     small  intestine - breaks down nutritional molecules . 
    large intestine - absorbs excess water  and regulates stool consistency and aids in egestion  .
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Alimentary canal, also called digestive tract,  pathway by which food enters the body and solid wastes are expelled. The alimentary canal includes the mouth,pharynx, esophagus, stomach, small intestine, large intestine, and anus.
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