In Ancient Greece, small penises were desirable, and big ones were for ‘old men and barbarians’
22
The average sperm cell swims at 8 inches per hour.
76
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
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
It is possible for you to survive even after the removal of the spleen, the stomach, one kidney, one lung, 75% of the liver, 80% of the intestines, and almost every organ from the pelvic and groin area.
218
The human body contains over a billion miles of DNA.
147
A person can live without food for about a month, but only about a week without water.
156