In an adult human female, the RBC count in 1 cubic millimetre of blood is typically about

2 - 2.5 million

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5 - 6 million

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3.5 - 4 million

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4 - 5 million

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Solution

The correct option is D
4 - 5 million

Among the various parameters for good health is the red blood cell (erythrocyte) count. A value less than or greater than this range can indicate certain abnormalities. An adult human female typically has a count in the range of 4 - 5 million RBCs per cubic millimetre of blood. An adult human male has about 5 - 6 million RBCs per cubic millimetre of blood.

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