Your thumb is about the same size as your nose.
124
Your body is creating and killing about 2.4 million red blood cells per second.
17
The human body contains over a billion miles of DNA.
147
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
If your DNA was stretched out it would reach to the moon 6,000 times.
256
Yawns are more contagious among people with closer relationships.
163
Every year your body replaces 98% of your atoms.
119