Within three days of death, the enzymes that once digested your food begin to eat you.
22
The average sperm cell swims at 8 inches per hour.
76
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
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
There's 100 trillion good bacteria living in your body.
17
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
