It takes about 20 seconds for a red blood cell to circle the whole body.
102
A human being loses an average of 40 to 100 strands of hair a day.
133
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
A man's beard grows fastest when he anticipates sex.
239
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
The human eye blinks an average of 4,200,000 times a year.
233