The human body contains over a billion miles of DNA.
147
The average sperm cell swims at 8 inches per hour.
4
In one day, adult lungs move about 10,000 litres of air.
11
It takes approximately 12 hours for food to entirely digest.
93
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197