We share 70% of our DNA with a slug.
218
Obsessive nose picking is called Rhinotillexomania.
101
It takes about 20 seconds for a red blood cell to circle the whole body.
102
Your heart will pump about 212 million liters in its lifetime.
26
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
You can't tickle yourself.
29
Human hair and fingernails continue to grow after death.
7
If the human eye was a digital camera, it would have 576 megapixels.
25