Pondering. When you breathe through your nose, does both nostrils take in the same amount of air?

[3catwoman3]

19. Nostrils take turns throughout the day.

Throughout the day, each nostril takes regular breaks by alternating contraction and expansion called the nasal cycle. This changeover occurs every 2-4 hours. Right now, if you're breathing through your nose, most of the air is going in and out of one side, with a much smaller amount passing through the other.

More at link. It's a short article.

https://breathesimple.com/blog/nasal-switching#:~:text=Throughout%20the%20day%2C%20each%20nostril,amount%20passing%20through%20the%20other.