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Question
Which one is called graveyard of RBC's?
Which one is called graveyard of RBC's?
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Solution
The correct option is D Spleen
Spleen is called the graveyard of RBCs because after completion of lifespan, RBCs are destroyed in spleen where they are ingested by free macrophages. About 2.5 million of RBCs are destructed in one second. After ingestion of RBCs by macrophages, the haemoglobin is dissociated into haem and globin. Iron of haem is released which is further used in process of formation of blood. The haem is converted into bilirubin, a yellow or brown pigment.So, the correct answer is 'Spleen'.
Spleen is called the graveyard of RBCs because after completion of lifespan, RBCs are destroyed in spleen where they are ingested by free macrophages. About 2.5 million of RBCs are destructed in one second. After ingestion of RBCs by macrophages, the haemoglobin is dissociated into haem and globin. Iron of haem is released which is further used in process of formation of blood. The haem is converted into bilirubin, a yellow or brown pigment.
So, the correct answer is 'Spleen'.
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