In 1996, research found that having excessive body hair is linked to higher intelligence.
23
The average sperm cell swims at 8 inches per hour.
76
You see your nose at all times, your brain just chooses to ignore it.
30
There's 100 trillion good bacteria living in your body.
17
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
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22