True, Red blood cells carry oxygen, Platelets are fragment of cells, Blood clotting is a positive feedback mechanism, Phagocytes are white blood cells, Plasma is about 45% of the total blood volume, False, Plasma proteins are insoluble blood plasma, Red blood cells fights infection., White blood cells are involved in blood clotting, Blood cells are made in the yellow bone marrow, Plasma is about 45% of the total blood volume

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