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hb
Nounhb has 1 sense
hemoglobin, haemoglobin, Hb - a hemoprotein composed of globin and heme that gives red blood cells their characteristic color; function primarily to transport oxygen from the lungs to the body tissues; "fish have simpler hemoglobin than mammals" --1is a kind ofhemoprotein, haemoprotein --1is a substance of red blood cell, RBC, erythrocyte --1has substances: