OverviewBlood is comprised of red blood cells, platelets, and various white blood cells.
Review Date 5/14/2018
Updated by: Preeti Sudheendra, MD, oncologist at the MD Anderson Cancer Center at Cooper, Camden, NJ. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.