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
A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
18
Obsessive nose picking is called Rhinotillexomania.
101
Your fingernails grow faster in summer.
744
The human sigh acts as a physiological reset button.
23
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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If your DNA was stretched out it would reach to the moon 6,000 times.
256
Early American humans hunted car-size armadillos and used their shells for houses.
12