#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"
  supertype:  hemoprotein__haemoprotein  a conjugated protein linked to an iron-porphyrin compound
  substance:  heme  globin
  substance of:  red_blood_cell
  subtype:  oxyhemoglobin__oxyhaemoglobin  the bright red hemoglobin that is a combination of hemoglobin and oxygen from the lungs; "oxyhemoglobin transports oxygen to the cells of the body"

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