Ferrous iron and ferric iron

In the human body Iron is found in 2 forms: ferrous iron and ferric iron. The former is soluble at neutral pH and is the main form in which it is found in organisms; however, it is oxidized in muscles, rather than in red blood cells. Iron, in the 2+ form, binds O2, a potent oxidant. Hemoglobin and myoglobin frequently convert to beta-hemoglobin...