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Red Blood Cells circulation time

Red Blood Cells circulation time

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




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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.

Stomach fact

Your stomach produces a new layer of mucus every two weeks so that it doesn't digest itself.

Tongue fact

Your tongue is the only muscle in your body that is attached at only one end.

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