Babies crawl an average of 200m a day.
212
Your fingernails grow faster in summer.
744
In one day, adult lungs move about 10,000 litres of air.
11
It takes about 20 seconds for a red blood cell to circle the whole body.
102
By weight, Bone is five times stronger than steel.
417
Poor eyesight (myopia) is associated with higher IQ.
232
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99