Every year your body replaces 98% of your atoms.
119
Bearing a male child can alter a woman's brain by leaving male DNA that can persist for the rest of her life, making her less likely to suffer from Alzheimer's disease, promote tissue repair, and improve her immune system.
16
Fingernails grow nearly 4 times faster than toenails!
30
When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46
There are more bacteria in your mouth than there are people in the world.
60
The skin on your lips is 200 times more sensitive than your fingertips.
345
Children are poisoned most frequently by eating harmful plants.
13