The average sperm cell swims at 8 inches per hour.
4
In one day, adult lungs move about 10,000 litres of air.
11
One out of 20 people have an extra rib.
66
Your stomach produces a new layer of mucus every two weeks so that it doesn't digest itself.
160
It is almost impossible to sneeze with your eyes open. It is a defense mechanism that has evolved to protect our eyes from bacteria and debris.
164
Perspiration is odorless; it is the bacteria on the skin that creates an odor.
39
An average adult produces about half a liter of flatulent gas per day, resulting in an average of about fourteen occurrences of flatulence a day.
8
You can alleviate a tickly throat by scratching your ear.
9