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
A person will burn 7 percent more calories if they walk on hard dirt compared to pavement.
45
There are about 1,400 different species of bacteria in your belly button.
10
Fidgeting can burn about 350 calories a day.
201
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
Your heart beats over 100,000 times a day!
54
Enamel is hardest substance in the human body.
61