In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
The human eye blinks an average of 4,200,000 times a year.
233
Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
24
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
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139