A man's beard grows fastest when he anticipates sex.
239
About 400 different kinds of microbes live on and in the human body.
-3
Every year your body replaces 98% of your atoms.
119
The right lung takes in more air than the left.
30
Our Right Lungs takes more air than our left lung.
194
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
Surgeons who listen to music during operations perform better than those who don't .
87
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21