There is no air tight barrier in between my two cheeks, so how am I controlling the air in my mouth and directing it to one specific cheek? The deflated cheek is still floppy, so it’s not like I’m tensing a muscle to stop it inflating.
Also works if I have a mouth full of water, and can also be directed to top and bottom lips.
Thank you.
In: Biology
Chewing seems to have evolved to swirl food around the mouth. If you look at a horse or cow eat it very obvious
Because the 43 muscles in your face make it so that the non-inflated cheek holds against the air pressure just the right amount. It still feels soft, but it’s just tight enough in the right places and your tongue is creating a seal to help it.
Your brain does the coordination for you, you just don’t realize it.
It’s like a 4th/5th gen fighter jet. A simple pilot input to pitch up will result in multiple control surfaces being utilized, some of them way longer than the original input and in ways that seem counterintuitive. Same for your face. You tell your brain to do a simple thing, and it does all the complex work to make it happen, fully automatic.
To stop the air flowing to one side of your mouth, you’re contracting facial muscles which are stopping that cheek from expanding (try it now – inflate your right cheek and rub your tongue against your left cheek; you’ll feel the tension). If you completely relax all facial muscles, the air will move across and both sides will be slightly inflated.
after i tried that a bunch i found out that my chhek muscle contracts to pull the cheek inwards and pushing the air into the other one
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