You're born with 300 bones, but when you get to be an adult, you only have 206!
17
Due to the angle at which the optic nerve enters the brain, staring at a blue surface during sex greatly increases the intensity of orgasms.
252
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
Gardening is said to be one of the best exercises for maintaining healthy bones.
40
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
Your body is creating and killing 15 million red blood cells per second!
14
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73