Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
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 body is creating and killing about 2.4 million red blood cells per second.
17
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
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
After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55
The human sigh acts as a physiological reset button.
23
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89