A human being loses an average of 40 to 100 strands of hair a day.
133
In one day, adult lungs move about 10,000 litres of air.
11
Mushrooms are more closely related to humans than they are to plants.
47
Poor eyesight (myopia) is associated with higher IQ.
232
Obsessive nose picking is called Rhinotillexomania.
101
It takes about 20 seconds for a red blood cell to circle the whole body.
102
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
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515