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In a normal human body, the total number of red blood cells is
- A15 trillion
- B20 trillion
- C25 trillion
- D30 trillion
Correct answer: D
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CCommunity
30 trillion
In a normal human body, the total number of red blood cells is 30 trillion. Women have roughly 4 to 5 million red blood cells per microliter of blood, whereas men have about 5 to 6 million per microliter of blood. Red blood cells comprise approximately 70% of total human body cell number.
In a normal human body, the total number of red blood cells is 30 trillion. Women have roughly 4 to 5 million red blood cells per microliter of blood, whereas men have about 5 to 6 million per microliter of blood. Red blood cells comprise approximately 70% of total human body cell number.