I cant find anywhere on the internet – where the water goes when you use the neti pot. Obviously it goes in one nostril and out the other…but does

I cant find anywhere on the internet - where the water goes when you use the neti pot. Obviously it goes in one nostril and out the other...but does it go into any of the nasal cavities? And which ones? I cant clean out the back of my nose throat nasal cavity. (Not sure what its called). So - I know there are 4 sets of nasal cavities..how m