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
Greatest Hits (Blood, Sweat & Tears album) Greatest Hits (Blood, Sweat & Tears album) Greatest Hits is a compilation album by the band Blood, Sweat & Tears, initially released in 1972. Although Blood, Sweat & Tears continued to record and tour for several more years, the band's lineup changed dramatically after "Blood, Sweat & Tears 4". This compilation album includes all of the group's best-known material up to that time. This was the group's last album to earn a Gold Record award. Columbia initially chose to incorporate the edited single versions of many of the songs, a decision which was poorly received by some fans. Some later