<span>A Simple Compound Microscope</span>
there are 88 constellations in total
Cells are constantly dividing and replacing old or damaged cells.
Their is AB, O, B, and A. Which is four. If your were to include whether the blood type was a Negative blood type and positive blood type they're would be . AB+, O+, B+, A+, AB-, O-, B-, A-. Which is eight.
