In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
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
If you hold farts in during the day, they'll just come out when you sleep.
16
The human brain uses approximately as much energy as a 10 watt light bulb.
120
In one day, adult lungs move about 10,000 litres of air.
11
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
The average sperm cell swims at 8 inches per hour.
76