You're born with 300 bones, but when you get to be an adult, you only have 206!
17
Every time you sneeze some of your brain cells die.
113
Your body is creating and killing about 2.4 million red blood cells per second.
17
One out of 20 people have an extra rib.
66
A woman's sense of smell is most sensitive during ovulation.
34
Surgeons who listen to music during operations perform better than those who don't .
87
There are about 1,400 different species of bacteria in your belly button.
10