The structure of the heart 5.0 / 5 based on 1 rating ? BiologyMass transportASAQA Created by: Megan2413Created on: 13-03-17 12:00 Which side of the heart contains oxygenated blood? Left 1 of 13 What is the structure of the atria? Thin-walled and elastic and stretches as it collects blood 2 of 13 What is the structure of the ventricles? It has a much thicker, muscular wall than the the atria as it needs to pump blood over a large distance 3 of 13 Which parts of the heart contract together? The left and right sides (both atria or both ventricles) 4 of 13 Which valve prevents the backflow of blood between the left atria and ventricle? Left atrioventricular (bicuspid) valve 5 of 13 Which valve prevents the backflow of blood between the right atria and ventricle? The right atrioventricular (tricuspid) valve 6 of 13 Where does the aorta lead? It transports blood from the left ventricle to the rest of the body 7 of 13 Where does the pulmonary vein lead? It transports blood from the lungs to the left atrium 8 of 13 Where does the pulmonary artery lead? It transports blood from the right ventricle to the lungs 9 of 13 Where does the vena cava lead? I transports blood from the rest of the body to the right atrium 10 of 13 What are the heart's blood vessels called? Coronary arteries 11 of 13 Why does the heart need coronary arteries? To supply oxygen to heart muscle 12 of 13 What happens if coronary arteries are blocked? Heart attack (myocardial infarcation) 13 of 13
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