A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17
Within three days of death, the enzymes that once digested your food begin to eat you.
22
Sniffologists have the job of sniffing armpits.
4
Condoms were originally made of animal intestines or linen.
347
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6