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Question

Digestion of food in human starts from which part of alimentary canal?

A
Buccal cavity
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B
Small intestine
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C
Duodenum
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D
Large intestine
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Solution

The correct option is A Buccal cavity
Carbohydrate digestion begins in the mouth or buccal cavity. The salivary glands in the mouth secrete saliva, which helps to moisten the food. The food is then chewed while the salivary glands also release the enzyme salivary amylase, which begins the process of breaking down the polysaccharides in the carbohydrate food.

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