Your ears secrete more earwax when you are afraid than when you aren't.
229
The smallest human penis ever recorded was just 5/8 of an inch long!
77
Your wounds heal faster if you lick them, you instinctively do this for that reason. Tears help, too.
20
It is almost impossible to sneeze with your eyes open. It is a defense mechanism that has evolved to protect our eyes from bacteria and debris.
164
It takes about 20 seconds for a red blood cell to circle the whole body.
102
Your heart pumps about 2,000 gallons of blood each day!
53
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
