Red blood cells. The red blood cells, which are also called erythrocytes (erythro means red; cytes = cells) have the important responsibility of carrying the oxygen throughout the body. Hemoglobin exists in the red blood cells.
exists and is an alternate of . Insurance leads are used by insurance agents to generate possible clients. Leads are often in the form of online surveys which generate traffic for the insurance company.
Lead. Lead is a soft, heavy, dull gray metal with low tensile strength. It is used in making type, for covering electrical cables, and in many alloys. The organic lead compound tetraethyl lead, Pb(C 2 H 5) 4, was widely used as a gasoline additive to prevent knock in automobile until concern about lead toxicity caused that use to be discontinued.