For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
Your fingernails grow faster in summer.
744
Enamel is hardest substance in the human body.
61
It takes approximately 12 hours for food to entirely digest.
93
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
Your thumb is about the same size as your nose.
124
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118