Why is it more effective to breathe through the nose compared to the mouth?

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Solution

The major reasons why breathing is more effective through the nose is as follows:
a) Nose filters the inhaled air with the help of fine hairs and mucus.
b) Nose adds moisture and warmth to inhaled air for smoother entry to the lungs.
c) Nasal breathing, unlike mouth breathing, allows more oxygen to reach the tissues which require oxygen.

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Q. Why should be breathe air through nose and not mouth?

They started playing and at the end of the game, all three of them were panting and breathing heavily. Sam noticed that John was breathing through his mouth so he advised him to breath through nose and not through mouth.

To this Kenneth said ' how does it matter? we will be inhaling the same air whether we breathe through nose or through mouth'.

Sam gave a reasonable explanation to make Kenneth and John understand that they should breathe through our nose and not through our mouth.

What was explanation given by Sam?

Q. Short / long answer type questions.
Breathing through nose is healthier than breathing by mouth. Why?

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