In one day, adult lungs move about 10,000 litres of air.
11
A person can live without food for about a month, but only about a week without water.
156
By weight, Bone is five times stronger than steel.
417
Our eyes are always the same size from birth, but our nose and ears never stop growing.
269
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
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
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
You forget 90% of your dreams.
256