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
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
The human brain doesn't stop developing until about 25 years old.
102
When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46
The human brain uses approximately as much energy as a 10 watt light bulb.
120
A person can live without food for about a month, but only about a week without water.
156
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13