Blood plasma Plasma also serves as the protein reserve of the human body. It plays a vital role in an intravascular osmotic effect that keeps electrolyte concentration balanced and protects the body from infection and other blood disorders. Blood plasma is separated from the blood by spinning a tube of fresh blood containing an anticoagulant in a centrifuge until the blood cells fall to the bottom of the tube. The blood plasma is then poured or drawn off. Blood plasma has a density of approximately 1025 kg/m, or 1.025 g/ml. Blood serum is blood plasma without clotting factors. Plasmapheresis is a medical
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