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.
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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
In Ancient Greece, small penises were desirable, and big ones were for ‘old men and barbarians’
22
Within three days of death, the enzymes that once digested your food begin to eat you.
22
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
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