Your heart will pump about 212 million liters in its lifetime.
26
Pain occurs when sounds are above 130 db.
124
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
A person can live without food for about a month, but only about a week without water.
156
You forget 90% of your dreams.
256
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127