The human body contains over a billion miles of DNA.
147
One human hair can support 3 ounces.
191
Every year your body replaces 98% of your atoms.
119
Your thumb is about the same size as your nose.
124
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
Chewing gum boosts your brain power.
285
The human brain doesn't stop developing until about 25 years old.
102
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99