The average person's skin weighs twice as much as their brain.
131
When you take a step, you are using up to 200 muscles.
886
One human hair can support 3 ounces.
191
It takes about 20 seconds for a red blood cell to circle the whole body.
102
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
The human brain doesn't stop developing until about 25 years old.
102
Chewing gum boosts your brain power.
285