Question

the average adult has between 3 to 4 million rbcs per mm³ of blood. a true b false

Explanation:

The normal range for red blood cells (RBCs) in an average adult is approximately 4.5 - 5.9 million per mm³ for males and 4.1 - 5.1 million per mm³ for females. The statement claims 3 - 4 million per mm³, which is below the normal range.

Answer:

B. False