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Question

Digestion of food in human starts from

A
Duodenum
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B
Small intestine
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C
Mouth
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D
Large intestine
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Solution

The correct option is A Mouth
Digestion of food starts in mouth. It is carried out in following two ways
  • Mechanical digestion which is breaking of food into smaller chunks with the help of teeth and aided by muscular tongue.
  • Chemical digestion due to ptyalin (salivary amylase) in saliva
  • So, the correct answer is 'Mouth'

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