Biology 11: Immune System and Disease Worksheets

RBC (Red Blood Cells) Erythrocytes. WBC (White Blood Cells) Leukocytes ... The term Rh is used because the antigen was first discovered in the blood of a(n) _____ ... Polycythemia- excess of red blood cells, why is that a problem? Blood is too thick and that causes it to clot which causes a stroke . ................
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