>>81627718 (OP) yeah. also, ever smelt a fart? it works because your nostrils are like your tongue. fecal matter from some dudes asshole makes it all the way to your nose, and like a tongue, it hits the soft fleshy insides of your nose and it dissolves and you digest it. that's how you smell. like taste.
also 95% of dust inside your home or anywhere is dead human skin that's flaked off