If your DNA was stretched out it would reach to the moon 6,000 times.
256
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
Within three days of death, the enzymes that once digested your food begin to eat you.
22
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
A human being loses an average of 40 to 100 strands of hair a day.
133
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
199