Human thigh bones are stronger than concrete!
63
Your stomach produces a new layer of mucus every two weeks so that it doesn't digest itself.
160
A sneeze can travel as fast as 100 miles per hour.
43
Every time you lick a stamp, you're consuming 1/10 of a calorie!
47
We blink 25 times a minute.
51
Brain freeze is caused by the brain sensing the drop of temperature on your palate and increasing blood pressure in an attempt to save you from freezing.
14
Your tongue is the only muscle in your body that is attached at only one end.
173
Every time you sneeze some of your brain cells die.
113