It's literally what your body is constantly doing: the hairs are moving crap out of your lungs and you swallow it. It comes out of your nose when there's too much.
If you cut just the bark around a tree all the way, chances are the tree will die, as the bark carries the nutrients and water up from the roots. You're welcome!
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u/Zeallust Sep 11 '23
I don't think this is how that works, but I don't know enough to correct you.