A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
We share 70% of our DNA with a slug.
218
A human being loses an average of 40 to 100 strands of hair a day.
133
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
It takes about 20 seconds for a red blood cell to circle the whole body.
102
Humans are capable of running 40 mph according to a study by bio-mechanical expert Dr. Matthew Bundle. Today's fastest man, Usain Bolt, has a top speed of 28 mph.
35
Gorillas can catch human colds and other illnesses.
205