Your wounds heal faster if you lick them, you instinctively do this for that reason. Tears help, too.
20
The skin on your lips is 200 times more sensitive than your fingertips.
345
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
The average office desk has 400 times more bacteria than a toilet.
22
Your heart pumps about 2,000 gallons of blood each day!
53
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
Your heart beats over 100,000 times a day!
54
When you get blackout drunk, you don't actually forget anything; your brain wasn't "recording" in the first place.
23