Your body is creating and killing 15 million red blood cells per second!
14
The average tastebud lives only 10 days before it dies and is replaced by a new one.
15
Your skin is actually an organ.
88
It takes about 20 seconds for a red blood cell to circle the whole body.
102
Your tongue is the only muscle in your body that is attached at only one end.
173
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
Research indicates that babies who suck on pacifiers are more prone to ear aches.
21