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TL Heart Blood Map

Which heart vessels supply what in the heart

Name the opening in the aorta that feeds blood to the coronary arteries. Ostium
Define the function of the ostium. allows blood flow to the coronary arteries during diastole
What factors affect filling of coronary arteries via the ostium? during systole semilunar valves partially cover ostium, coronary arteries are compressed so filling takes place during diastole. Tachycardia reduces filling ability.
Which artery supplies the R atrium, R ventricle, part of the inferior and posterior L ventricle, bundle of HIS, AV node, and SA node (50% of people)? Right Coronary Artery
What structures of the heart are supplied by the RCA? R ventricle and atrium, part of inferior and posterior L ventricle, bundle of HIS, AV node, and SA node in 50% of people.