Serum (blood) small molecules to cells. Like many other mass nouns, the word "serum" can be pluralized when used in certain senses. To speak of multiple serum specimens from multiple people (each with a unique population of antibodies), physicians sometimes speak of sera (the Latin plural, as opposed to *"serums"). Serum (blood) In blood, the serum () is the component that is neither a blood cell (serum does not contain white blood cells- leukocytes, or red blood cells- erythrocytes), nor a clotting factor; it is the blood plasma not including the fibrinogens. Serum includes all proteins not used in blood clotting and
Blood, Sweat & Tears (Blood, Sweat & Tears album) Blood, Sweat & Tears (Blood, Sweat & Tears album) Blood, Sweat & Tears is the second album by the band Blood, Sweat & Tears, released in 1968. It was commercially successful, rising to the top of the U.S. charts for a collective seven weeks and yielding three successive Top 5 singles. It received a Grammy Award for Album of the Year in 1970 and has been certified quadruple platinum by the RIAA with sales of more than four million units in the U.S. In Canada, it enjoyed four runs and altogether eight weeks at No. 1 on the "RPM" national