If you were to roll a lung from a human body and out flat it would be the size of a tennis court.
36
Only 1 person in 2 billion will live to be 116.
49
One quarter of the bones in your body are in your feet!
36
Some people have a "natural alarm clock" allowing them to wake up when they want. This is actually caused by a burst of the stress hormone adrenocorticotropin.
15
The skin on your lips is 200 times more sensitive than your fingertips.
345
When your face blushes, the lining of your stomach turns red, too.
154
In Nepal, cow dung is used for medicinal purposes.
19