There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
In one day, adult lungs move about 10,000 litres of air.
11
Your thumb is about the same size as your nose.
124
The average sperm cell swims at 8 inches per hour.
4
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
Due to the angle at which the optic nerve enters the brain, staring at a blue surface during sex greatly increases the intensity of orgasms.
252
We share 70% of our DNA with a slug.
218
Tigers can see 6 times better at night than humans.
305