Obsessive nose picking is called Rhinotillexomania.
101
On average a woman has 4 sexual partners in her lifetime.
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An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
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It takes about 20 seconds for a red blood cell to circle the whole body.
102
Enamel is hardest substance in the human body.
61
A person can live without food for about a month, but only about a week without water.
156
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