Question

Why is it advisable to breath through nose

Answer 1

Because the nostrils are smaller than the mouth, air exhaled through thenose creates a back flow of air (and oxygen) into the lungs. And because we exhale more slowly through thenose than we do though the mouth, the lungs have more time to extract oxygen from the air we've already taken in.

Answer 2

It is dvised to breathe through nose because there are hairs present in the nose which are known as mucus that filter out the dust particles.

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