A client undergoing a complete blood cell count (CBC) for the detection of anemia wants to know more ...

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The iron in hemoglobin picks up oxygen in a loose chemical combination. As blood circulates through the capillaries, the hemoglobin gives its oxygen to various cells of the body and picks up their carbon dioxide. Defending the body against disease organisms, toxins, and irritants; being essential for blood clotting; plug formation; and further hemostasis; or releasing chemicals to assist the body in detoxifying foreign proteins, are not the main functions of hemoglobin. WBCs defend the body against disease organisms, toxins, and irritants. Platelets are essential for blood clotting, plug formation, and hemostasis. Eosinophils release chemicals to assist the body in detoxifying foreign proteins.