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I'm confused because I thought arteries were AWAY from the heart and the veins are towards the heart, meaning they supply the heart while the arteries take things away from the heart and to the rest of the body. But reading over the notes in class and the powerpoints online..... it clearly states that the Coronary arteries supply oxygenated blood to the heart and the veins take away deoxygenated blood.
deoxygenated blood comes into the right atrium, then to the right ventricle of the heart. From the right ventricle it is pumped to the lungs where it becomes oxygenated. Once oxygenated, it returns to the left atrium and then moves to the left ventricle. From the left ventricle it is pumped to the rest of the body.