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  1. www.verywellhealth.com › right-atrium-7094063Right Atrium: Anatomy, Function, and Significance

    Jan 17, 2023 · Another vein, known as the coronary sinus, carries blood from the heart muscle to the right atrium. The right atrium is separated from the right ventricle by the tricuspid valve, which opens to allow blood to flow into the right ventricle.

  2. my.clevelandclinic.org › health › articlesHow Blood Flows Through the Heart & Body - Cleveland Clinic

    Oxygen-poor blood from all over your body enters your right atrium through two large veins, your superior vena cava and inferior vena cava. These veins drain blood from your upper body and lower body, respectively, and directly empty it into your right atrium.

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  4. sciencenotes.org › path-of-blood-through-the-heartPath of Blood Through the Heart - Science Notes and Projects

    Apr 13, 2024 · The short answer is that deoxygenated blood from the body enters the right atrium of the heart and the right ventricle pumps it to the lungs. The oxygenated blood returns to the heart, entering the left atrium, while the left ventricle pumps it to the body.

  5. www.merckmanuals.com › home › heart-and-blood-vesselBiology of the Heart - Biology of the Heart - The Merck Manuals

    The cardiac veins collect blood containing waste products from the heart muscle and empty it into a large vein on the back surface of the heart called the coronary sinus, which returns the blood to the right atrium.

  6. www.kenhub.com › anatomy › blood-supply-of-the-heartCoronary arteries and cardiac veins: Anatomy and branches ...

    Jul 13, 2023 · The coronary arteries are responsible for carrying nutrient-rich, oxygenated blood from the left ventricle to the myocardium; while the coronary veins take nutrient – poor deoxygenated blood away from the myocardium and to the right atrium.

  7. www.nhlbi.nih.gov › health › heartHow the Heart Works How Blood Flows through the Heart

    Mar 24, 2022 · The blood enters the heart's right atrium and is pumped to your right ventricle, which in turn pumps the blood to your lungs. The pulmonary artery then carries the oxygen-poor blood from your heart to the lungs. Your lungs add oxygen to your blood. The oxygen-rich blood returns to your heart through the pulmonary veins.

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  9. med.libretexts.org › Bookshelves › Anatomy_and17.1E: Great Vessels of the Heart - Medicine LibreTexts

    The superior vena cava and inferior vena cava are veins that return deoxygenated blood from circulation in the body and empty it into the right atrium. The pulmonary artery carries deoxygenated blood from the right ventricle into the lungs for oxygenation.