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What is Hemoglobin? Where is it found? What part does it play in the color of blood?
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What is Hemoglobin? Where is it found? What part does it play in the color of blood?

User Paul Slocum
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Hemoglobin is protein in red blood cells that is made up of four chains.Each of these chains contains a compound known as heme, which in turn contains iron, which is what transports oxygen in the bloodstream.

User Kalyan Vedala
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