Skeleton Growth

Your skeleton keeps growing until you are about 35, then you start to shrink.

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Less sleep for non smokers

The average person who stops one hour less sleep a night.

Red Blood Cells circulation time

It takes about 20 seconds for a red blood cell to circle the whole body.

Can't sneeze with open eye

It is almost impossible to sneeze with your eyes open. It is a defense mechanism that has evolved to protect our eyes from bacteria and debris.

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