The human brain doesn't stop developing until about 25 years old.
102
The human body contains over a billion miles of DNA.
147
There's 100 trillion good bacteria living in your body.
17
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
The average sperm cell swims at 8 inches per hour.
76
Our Right Lungs takes more air than our left lung.
194
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
If you are cold you are more likely to be hungry because you use energy to keep warm.
144