I read about this. I Googled it. I still don’t get it.
In: Biology
You body uses this tissue to control which nostril is currently the main air flow.
It switches several times throughout the day.
By decreasing the air flow through one nostril it is able to stay moist and keep from drying out.
If you cover one nostril at a time while breathing in you should be able to tell which one is currently more open.
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