Human hair grows about six inches per year and each strand lives for two to seven years.
Fact #3632
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Your brain creates thought.
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Your brain can store the equivalent of millions of gigabytes of information.
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The human skeleton is made up of over 200 bones in adulthood.
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The human eye has a natural blind spot.
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The brain begins to suffer damage after about 5 minutes without oxygen.
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Your brain can recognize a familiar face in less than half a second.
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The human eye blinks about 15 times per minute.
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The human brain is optimized for pattern recognition.
Fact #2999 · Human Body
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