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What are some different cardiac blood flow diagrams?

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Quick Answer

Different cardiac blood flow diagrams can be found on the Healthline, Children's Heart Institute and Austin Community College websites. Each provide a different method of explanation. Healthline allows the user to scroll over the diagram to highlight certain parts and receive an explanation of what it is. Children's Heart Institute offers a simple, labeled diagram using red to note oxygenated blood and blue to note deoxygenated blood. Austin Community College employs a similar diagram, including an explanation of systemic circulation.

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Full Answer

Deoxygenated blood first flows through the superior and inferior vena cavae and the coronary sinus to the right atrium. It then travels into the tricuspid valve and the right ventricle. The blood is then sent through the pulmonary semilunar valve to the pulmonary trunk and through the right and left pulmonary arteries to the lungs, where it disperses carbon dioxide and gathers oxygen to transport through the body.

The pulmonary veins carry oxygenated blood to the left atrium and through the bicuspid valve. From there, it goes through the left ventricle, through the aortic semilunar valve and ascending aorta. The coronary arteries then carry it through the arch of the aorta, where it is then dispersed systemically. Oxygenated blood goes to the muscles, kidneys, digestive tract, brain and other systemic organs, where the oxygen is depleted and the newly deoxygenated blood is sent back to the vena cavae to start the process over.

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