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Hemoglobin and red blood cells play a vital role in transporting oxygen and carbon dioxide in the blood
Hemoglobin is the protein inside red blood cells that carries oxygen to cells and carbon dioxide to the lungs. It consists of four symmetrical subunits and four heme groups, with iron binding oxygen, giving blood its red color.
The majority of oxygen in the blood is transported by binding to hemoglobin, while the majority of carbon dioxide in the blood is transported by conversion to bicarbonate.
Red blood cells are responsible for transporting oxygen from the lungs to cells and carbon dioxide from cells to the lungs, showcasing the crucial role of hemoglobin in this process.
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