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
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
All the chemicals in a human body combined are worth about 6.25 euro (if sold separately).
266
One human hair can support 3 ounces.
191
Enamel is hardest substance in the human body.
61
Every year your body replaces 98% of your atoms.
119
The average sperm cell swims at 8 inches per hour.
76