If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
A person can live without food for about a month, but only about a week without water.
156
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
In one day, adult lungs move about 10,000 litres of air.
11
Your heart will pump about 212 million liters in its lifetime.
26

