Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
Our eyes are always the same size from birth, but our nose and ears never stop growing.
269
In one day, adult lungs move about 10,000 litres of air.
11
Held in farts enter your bloodstream and are bad for your body.
26