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
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
The average person's skin weighs twice as much as their brain.
131
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111