The heart pumps about 1 million barrels of blood during an average lifetime!
30
About 400 different kinds of microbes live on and in the human body.
-3
Human teeth are almost as hard as rocks!
47
When you look up at the blue sky and see white dots flying around, you’re actually seeing your own white blood cells.
30
The smallest human penis ever recorded was just 5/8 of an inch long!
77
People that suffer from gum disease are twice as likely to have a stroke or heart attack.
22
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149