What is the normal red blood count per cubic mm?
a) 2 million red blood cells
b) 3 million red blood cells
c) 4 million red blood cells
d) 5 million red blood cells
What is the normal red blood count per cubic mm?
a) 2 million red blood cells
b) 3 million red blood cells
c) 4 million red blood cells
d) 5 million red blood cells
