11 Bio Quiz

Circulatory System

Blood and its Components



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1: (d) 55%, 2: (d) All of these, 3: (a) Blood coagulation, 4: (c) Osmotic pressure, 5: (b) Defense mechanism, 6: (c) Plasma without protein, 7: (a) 45%, 8: (d) WBCs, 9: (b) 120 days, 10: (a) Spleen