6. When you blush, the inside of your stomach does too.
7. Humans have a “diving reflex” that shuts down bodily functions when submerged in water to prevent drowning.
8. There are certain kinds of tumors that can grow their own teeth and hair – they’re called teratomas.
9. Humans are bioluminescent, the light just isn’t perceptible to the human eye.
10. Astronauts can grow up to two inches taller in space.