The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
199
Our eyes are always the same size from birth, but our nose and ears never stop growing.
269
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
If your DNA was stretched out it would reach to the moon 6,000 times.
256
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Your thumb is about the same size as your nose.
124
