If your stomach didn't produce a new layer of mucous every two weeks, it would digest itself.
33
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
The human brain doesn't stop developing until about 25 years old.
102
Every time you lick a stamp, you're consuming 1/10 of a calorie!
47
You mostly breathe from only one nostril at a time!
75
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
It takes approximately 12 hours for food to entirely digest.
93
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22