why is it better to breathe through your nose than through your mouth
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Nose breathing, especially the resistance to airflow that comes from exhaling through your nose, keeps the air in your lungs a little longer. This can increase the amount of oxygen that enters your bloodstream with each breath as much as 20 per cent.
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because when you breathe through mouth many germs can come through that passage but nose have hair which trap the germs and when you exhale, they throw them out.
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