Heart Chambers

The heart has four chambers or "rooms."

  • The atria (AY-tree-uh) are the two upper chambers that collect blood as it flows into the heart.
  • The ventricles (VEN-trih-kuhls) are the two lower chambers that pump blood out of the heart to the lungs or other parts of the body.

Source: NHLBI (NIH)1

Anatomy Articles

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  1. Source: NHLBI (NIH): nhlbi.nih.gov/ health/ health-topics/ topics/ chd/ heartworks

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