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
Human teeth are almost as hard as rocks!
47
People that suffer from gum disease are twice as likely to have a stroke or heart attack.
22
You inhale about 700,000 of your own skin flakes each day.
29
Children are poisoned most frequently by eating harmful plants.
13
Your body is creating and killing 15 million red blood cells per second.
50
Sitting straight upright in your chair is bad for your back. You should instead slouch at an angle of 135 degrees.
10
A person will burn 7 percent more calories if they walk on hard dirt compared to pavement.
45