What’s the logic behind breathe in through your nose and out through your mouth?

Question

What’s the logic behind breathe in through your nose and out through your mouth?

In: Biology

Answer 1

You can unblock your stuff nose by breathing in through your nose and out through your mouth. Breathing in cool air through your nose can reduce any swelling of the tissue in you sinuses and nasal passages. Once the air has warmed in your lungs and throat, breath it out through your mouth so it doesn’t warm, and thereby swell, your sinuses and nasal cavities. Obviously it doesn’t remove mucus, but it can help.