Final answer:
The iron from red blood cells is stored in the liver and spleen as ferritin or hemosiderin, and can be transported through the bloodstream by transferrin to the bone marrow for recycling into new red blood cells.
Step-by-step explanation:
The iron contained in the heme portion of hemoglobin may be stored in the liver or spleen, primarily in the form of ferritin or hemosiderin, or carried through the bloodstream by transferrin to the red bone marrow for recycling into new erythrocytes.