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How the right atrium works
Medically reviewed by Richard N. Fogoros, MD Key Takeaways The right atrium collects deoxygenated blood and sends it to the lungs for oxygen.The electrical signal that makes the heart beat starts in ...
The right atrium is one of the four chambers of the heart. The heart is comprised of two atria and two ventricles. Blood enters the heart through the two atria and exits through the two ventricles.
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