Red Blood Cell
Transports oxygen and carbon dioxide; lives for 120 days
Forms platelet plugs; releases chemicals necessary for blood clotting; important for hemostasis & live for 10-14 days
Neutrophil (50% - 70%)
Phagocytizes microorganisms and other substance
Lymphocyte (25% - 35%)
Produces antibodies and other chemicals responsible for destroying microorganisms; contributes to allergic reactions, graft rejection, tumor control, and regulation of immune system
Monocyte (3% - 9%)
Phagocytic cell in the blood; leaves the blood and becomes a macrophage, which phagocytizes bacteria, dead cells, cell fragments, and other debris within tissues
Eosinophil (< 5%)
Releases chemicals that reduce inflammation; attacks certain worm parasites
Basophil (< 1%)
Releases histamine, which promotes inflammation, and heparin, which prevents clot formation
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