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
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
Enamel is hardest substance in the human body.
61
The human brain doesn't stop developing until about 25 years old.
102
The world's shortest man measures only 21.5 inches.
73
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
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
Obsessive nose picking is called Rhinotillexomania.
101