Your body is creating and killing about 2.4 million red blood cells per second.
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
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
32
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
The average person's skin weighs twice as much as their brain.
131
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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