0 -> FeDuo 0 -> Hepcidin Hepcidin -> 0 FeDuo -> NTBI Fe2Tf -> 2*FeBM + Tf FeRBC -> FeSpleen FeSpleen -> NTBI FeLiver -> NTBI NTBI + Tf -> Fe1Tf FeDuo -> FeOutside Fe2Tf -> 2*FeLiver + Tf Fe2Tf -> 2*FeRest + Tf FeRest -> FeOutside Fe2Tf -> 2*FeDuo + Tf FeRest -> NTBI Fe1Tf + NTBI -> Fe2Tf Fe1Tf -> FeLiver + Tf Fe1Tf -> FeBM + Tf Fe1Tf -> FeRest + Tf Fe1Tf -> FeDuo + Tf FeBM -> FeRBC FeBM -> FeSpleen