Iron is stored in_______________?
Correct answer: B. Reticule endothelial system
- A. RBC
- B. Reticule endothelial system
- C. Plasma
- D. All
Explanation
Iron is stored mainly as ferritin and hemosiderin in macrophages of the reticuloendothelial system, particularly in the liver, spleen, and bone marrow. Only a small amount circulates in plasma bound to transferrin.
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