What’s the difference between breathing in through your nose and mouth? And why it’s recommended to do it through the nose?

Question

What’s the difference between breathing in through your nose and mouth? And why it’s recommended to do it through the nose?

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Answer 1

To put it simply, your nose has more surface area between mucus membranes and the air before it gets to your lungs. The hairs and mucus membranes act as filters catching particulates and droplets, protecting your lungs. They also allow moisture to vaporize into the air so it’s not as dry on your lungs.

Your mouth is like a shortcut past your nose.