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Question

What is the site of gaseous exchange in human beings?

A
Larynx
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B
Alveoli
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C
Trachea
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D
Pharynx
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Solution

The correct option is B Alveoli
Alveoli are the small air sacs that are responsible for gaseous exchange in our body. Larynx is the voice box, pharynx is the common passage for food and air, and trachea is the windpipe.

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