Your skin is home to roughly 1,000 species of bacteria per square centimeter.
Fact #4109
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Your brain processes reality.
Fact #2399 · Human Body
The human body glows faintly in complete darkness.
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The acid in your stomach is strong enough to dissolve razor blades.
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Your brain can store the equivalent of millions of gigabytes of information.
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Blood makes up about 7% of a person's body weight.
Fact #3506 · Human Body
Goosebumps are a vestigial reflex from when human ancestors had more body hair to keep them warm.
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Your brain can store the equivalent of millions of gigabytes of information.
Fact #2119 · Human Body
The human brain uses about 20% of the body's total energy despite being only 2% of body weight.
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