Serum iron Serum iron Serum iron is a medical laboratory test that measures the amount of circulating iron that is bound to transferrin (90%) and serum ferritin (10%). Clinicians order this laboratory test when they are concerned about iron deficiency, which can cause anemia and other problems. 65% of the iron in the body is bound up in hemoglobin molecules in red blood cells. About 4% is bound up in myoglobin molecules. Around 30% of the iron in the body is stored as ferritin or hemosiderin in the spleen, the bone marrow and the liver. Small amounts of iron can be found
Blood, Sweat & Tears 3 their pretentiousness, on the extended "Symphony/Sympathy for the Devil," and their tendency to borrow other artists' better-known material rather than generating more of their own, were warning signs for the future." Album - Billboard (United States) Singles - Billboard (United States) Blood, Sweat & Tears 3 Blood, Sweat & Tears 3 is the third album by the band Blood, Sweat & Tears, released in 1970. After the huge success of their previous album, "Blood, Sweat & Tears 3" was highly anticipated and it rose quickly to the top of the US album chart. It also yielded two hit singles: a