Hemoglobin definition

Hemoglobin

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noun

(1) 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"

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Etymology

From + + .

Noun

The iron-containing substance in red blood cells that transports oxygen from the lungs to the rest of the body; it consists of a protein (globulin), and haem (a porphyrin ring with an atom of iron at its centre).