On average, there's 100 billion neurons in the human brain.
83
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
199
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
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
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
All 13 minerals necessary for human life can be found in alcohol beverages.
282
A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
18