The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Every year your body replaces 98% of your atoms.
119
The human body contains over a billion miles of DNA.
147
Your heart will pump about 212 million liters in its lifetime.
26
Your thumb is about the same size as your nose.
124
When you take a step, you are using up to 200 muscles.
886
Chewing gum boosts your brain power.
285