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Life duration of red blood cells

On an average what is the life duration of red blood cells? Where are they damaged? Describe the destination of heme groups subsequent to the destruction of hemoglobin molecules?

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On an average, the red blood cells live about 120 days. The spleen is the major organ where old red blood cells are destroyed. Throughout the red blood cell destruction, the heme groups convert into bilirubin and this substance is then captured by the liver and afterward excreted in the bowels as portion of the bile.

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