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Chambers of the Heart

The heart has four chambers: two atria and two ventricles.

  • The right atrium receives oxygen-poor blood from the body and pumps it to the right ventricle.
  • The right ventricle pumps the oxygen-poor blood to the lungs.
  • The left atrium receives oxygen-rich blood from the lungs and pumps it to the left ventricle.
  • The left ventricle pumps the oxygen-rich blood to the body.
By Healthwise Staff
Primary Medical Reviewer William H. Blahd, Jr., MD, FACEP - Emergency Medicine
Specialist Medical Reviewer David Messenger, MD
Last Revised April 18, 2011

WebMD Medical Reference from Healthwise

Last Updated: April 18, 2011
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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