Which of the following is the function of the Nasal cavity?

Gaseous Exchange

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Filters the air we breathe

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Exhales the air from the body

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All of the above

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Solution

The correct option is B Filters the air we breathe
The primary function of the trachea is to provide air passage to your lungs for respiration, i.e. to inhale air rich in oxygen and exhale carbon dioxide and filter the air we breathe.

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