It's impossible to sneeze with your eyes open.

It’s impossible to sneeze with your eyes open

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Human Body Facts

Men’s hair is about twice as thick as women’s

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Your bones actually consist of 50% water

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Although our nose and ears keep growing throughout our lives, our eyes

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Your brain uses about the same amount of power as a ten watt bulb

Human Body Facts

The average blink lasts for about 1/10th of a second

Human Body Facts

Human eyes are so sensitive that on a clear night when there is no moon,