Your thumb is about the same size as your nose.
124
After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55
Your heart will pump about 212 million liters in its lifetime.
26
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
All the chemicals in a human body combined are worth about 6.25 euro (if sold separately).
266
It takes about 20 seconds for a red blood cell to circle the whole body.
102
One human hair can support 3 ounces.
191