The adult human brain weighs about 3 pounds (1,300-1,400 g).
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The human brain uses approximately as much energy as a 10 watt light bulb.
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It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
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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.
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Held in farts enter your bloodstream and are bad for your body.
26
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
In 1996, research found that having excessive body hair is linked to higher intelligence.
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