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Food enters through our mouth and gies to foodpipe or oesophagus here relaxation and contraction process goes on then it enters in highly muscular pouch called stomach then in stomach three types of acids present called hcl pepsin and renin the function of hcl is to kill bacteria that enter through food and mucus protect the layer then it goes to small intestine longest part alimentary canal here fats proteins carbohydrates brake down into small pieces and then it goes to large intestine then to rectum and then it is thrown out of body
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