iron metabolism. from liver, intestine and spleen. ferrum circulation, recycling, stores and absorption. erythropoiesis. iron with

biology blood bone circulation diagram diet disease disorder eating erythropoiesis ferroportin ferrous ferrum food health healthy hemochromatosis hemoglobin hepatocellular hepcidin human hypoxia illustration immune important iron lifestyle liver macrophage meat medical medicine metabolism microbiology minerals natural organ organic physiology prevention protean render science solidarity source spleen structure therapy vitamin