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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
Your heart beats over 36 million times a year.
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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