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Why Do Males Have A Higher Red Blood Cell Count Than Females?

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sana fatima Profile
sana fatima answered
There maybe 2 reasons...
1-females have oestrogen...which suppresses action of erythropoietin-a hormone required for erythropoiesis..so females have lower blood count

2-testosterone present in males has an accelerating effect on erythropoietin...so males have slightly higher rbc count..
Anonymous Profile
Anonymous answered
RBC's transport oxygen around the body. Men have evolved a greater RBC count than women over time due to increased oxygen requirement during activities such as hunting. There is also a positive correlation between RBC count and muscle mass.

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