Blood Flow Through the Heart: A Step-by-Step Guide
1. Superior vena cava - This vein carries deoxygenated blood from the upper body back to the heart.2. Right atrium - The right atrium is the first chamber of the heart that blood enters.
3. Tricuspid valve - The tricuspid valve separates the right atrium from the right ventricle.
4. Right ventricle - The right ventricle pumps deoxygenated blood to the lungs.
5. Pulmonary artery - The pulmonary artery carries deoxygenated blood from the right ventricle to the lungs.
6. Lungs - In the lungs, blood picks up oxygen and releases carbon dioxide.
7. Pulmonary vein - The pulmonary veins carry oxygenated blood from the lungs back to the heart.
8. Left atrium - The left atrium is the first chamber of the heart that oxygenated blood enters.
9. Mitral valve - The mitral valve separates the left atrium from the left ventricle.
10. Left ventricle - The left ventricle pumps oxygenated blood to the rest of the body.
11. Aorta - The aorta is the largest artery in the body and carries oxygenated blood from the left ventricle to the rest of the body.
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