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April 06, 2020  
  Prevention Center
  Survivor Center

Heart anatomy
Copyright 2002 Nucleus Communications, Inc. All rights reserved.

How does blood travel through the heart?

  • Superior Vena Cava: Delivers low-oxygen blood from the body into the right atrium.

  • Right Atrium: Passes blood from superior vena cava to the right ventricle.

  • Right Ventricle: Pumps blood through the pulmonary artery/trunk to the lungs.

  • Left Atrium: Receives oxygenated blood from the lungs and passes it to the left ventricle.

  • Left Venrticle: Contracts, forcing blood into the aorta, and out to the rest of the body.

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