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Question

The process of digestion of food starts in the _______ .

A
mouth
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B
stomach
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C
small intestine
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D
oesophagus
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Solution

The correct option is A mouth
The digestion process of food begins in the mouth by the enzymes present in the saliva. The functions of saliva include moistening food, and helping to create a food bolus, which can be swallowed easily. Salivary amylase is an enzyme in saliva that breaks down complex molecules such as starch into simpler molecules. Hence, digestion process begins from the mouth.

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