It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
The human body contains over a billion miles of DNA.
147
It takes about 20 seconds for a red blood cell to circle the whole body.
102
The human brain doesn't stop developing until about 25 years old.
102
Chewing gum boosts your brain power.
285
When you take a step, you are using up to 200 muscles.
886
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
Your body is creating and killing about 2.4 million red blood cells per second.
17