The adult human brain weighs about 3 pounds (1,300-1,400 g).
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The human body contains over a billion miles of DNA.
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Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
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It takes about 20 seconds for a red blood cell to circle the whole body.
102
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Poor eyesight (myopia) is associated with higher IQ.
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After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55
The human brain uses approximately as much energy as a 10 watt light bulb.
120