Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
Sniffologists have the job of sniffing armpits.
4
"Fish odor syndrome" is a rare genetic disorder that causes people to smell like rotten fish.
5
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7