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
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
On average, there's 100 billion neurons in the human brain.
83
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
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
Poor eyesight (myopia) is associated with higher IQ.
232
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
Your fingernails grow faster in summer.
744