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#5 – Skin
Over the life the average human skin completely refreshes itself 900 times. Being one of the most actively dividing cells of human body, 2 to 3 billion of skin cells are shed during a day, which makes to every 3 to 5 weeks, a human skin is completely renewed.
#4 – Air Weight
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#3 – Lava Speed
#2 – Body Speed
Erythrocyte can run round your body for 20 seconds. Nerve impulses of the body travel at over 400 km/hr.
#1 – Strongest Bacteria
The strongest creature is gonorrhea bacteria. They can pull the weight of 100 thousand times bigger than their own body.
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