In one day, adult lungs move about 10,000 litres of air.
11
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
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
The human body contains over a billion miles of DNA.
147
A person can live without food for about a month, but only about a week without water.
156
Our eyes are always the same size from birth, but our nose and ears never stop growing.
269
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127