It takes about 20 seconds for a red blood cell to circle the whole body.
102
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
Our Right Lungs takes more air than our left lung.
194
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
The human body contains over a billion miles of DNA.
147
It takes approximately 12 hours for food to entirely digest.
93
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Human hair and fingernails continue to grow after death.
7