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    Did you mean Hemoglobin?
    GlossaryHemoglobin

    protein in red blood cells that carries oxygen

    Hemoglobin (Hb) is a protein found in red blood cells that is responsible for transporting oxygen from the lungs to the rest of the body and returning carbon dioxide from the tissues back to the lungs. It consists of four subunits, each containing an iron atom that binds to oxygen, making it essential for maintaining the body's oxygen supply and overall metabolic function.

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