Mosquitoes don't just bite you, they also pee on you.
11
If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
13
Cockroaches can live for 9 days after their head has been cut off.
140
It is possible for you to survive even after the removal of the spleen, the stomach, one kidney, one lung, 75% of the liver, 80% of the intestines, and almost every organ from the pelvic and groin area.
218
Condoms were originally made of animal intestines or linen.
347
The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7