By Michael Ford, MD
Faculty Peer Reviewed
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2.65 x 10[13]
# of erythrocytes in circulation, assuming Hematocrit 45%[1]
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120
Lifespan in days of an erythrocyte[2]
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2.5 million
# of new erythrocytes produced each second to replace dying cellsâ€
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5.3 million
# …
By Elizabeth P. Â Gurney, MD
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