Explain about gastrointestinal system, Biology

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Gastrointestinal System

The purpose of digestion is to change the food by chemical action and convert it into simple form to be utilized by various tissues. The process of digestion takes place in the alimentary canal with the help of additional organs like salivary glands, pancreas and liver. Enzyme is a substance secreted by glands and help in converting the food into simple form so that it is easy to absorb

 

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