AROUND THE WORLD : Did You Know That There Are 2.5 Trillion of Red Blood Cells in Your Body ?

in #education7 years ago (edited)

Dear steemians :-

Science have proven to us that there are about 2.5 trillion (give or take) of red blood cells in our body at current.

To balance this number, two and a half million new ones need to be produced every second by our bone marrow. When compared to cities, that's like a new population of the city of Toronto every second lol!

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Bye guys!

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