OverviewThe heart is made up of the two atria which receive blood and two ventricles which are the actual pumps of the heart. The left ventricle pumps blood into the aorta sending oxygenated blood to the rest of the body.
Update Date 4/13/2015
Updated by: Dale Mueller, MD, cardiovascular and thoracic surgeon, HeartCare Midwest; Chairman Department of Cardiovascular Medicine and Surgery, OSF St. Francis Medical Center; and Clinical Associate Professor of Surgery, University of Illinois, Peoria, IL. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.