Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
The human body contains over a billion miles of DNA.
147
All 13 minerals necessary for human life can be found in alcohol beverages.
282
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
We share 70% of our DNA with a slug.
218
Human hair and fingernails continue to grow after death.
7