The human heart pumps blood through the circulatory system.
Fact #99
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Your brain edits out constant sensations like clothing touching your skin.
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The human brain continues developing into your mid‑twenties.
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Stomach acid is strong enough to dissolve razor blades.
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There are more lifeforms living in your body than human cells.
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Your bones are stronger than steel of the same weight.
Fact #2343 · Human Body
Your bones are roughly five times stronger than steel by weight.
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About 1 in 20 people have double-jointed fingers.
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Your brain generates signals.
Fact #2411 · Human Body
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