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1.why should we breathe only through …

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1.why should we breathe only through the nose and not through the mouth?

    • Posted by Sadia Mohammed 7 years ago

    CBSE > Class 06 > Science (OLD)
    • 1 answers

    Ishika Sadyora 7 years ago

    Dust and smoke present in the air are harmful for our respiratory system. However if we breathe through our mouth no such mechanism is there. So, we should not breathe through our mouth.

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