Question

what is the major iron storage form?
serum iron
transferrin
serum ferritin
hemosiderin

Explanation:

Serum ferritin is the major iron - storage protein in the body. It stores iron in a soluble, non - toxic, and readily mobilizable form. Serum iron is the iron in the blood plasma, transferrin is an iron - transporting protein, and hemosiderin is a less soluble form of iron storage compared to ferritin.

Answer:

Serum Ferritin