The Heart 0.0 / 5 ? Applied ScienceThe HeartA2/A-levelAQA Created by: morgsx2001Created on: 22-03-19 12:25 7103216458 Across 1. The artery carrying blood from the right ventricle of the heart to the lungs for oxygenation (9, 6) 4. Two lower chambers of the heart (8) 5. The main artery of the body, supplying oxygenated blood to the circulatory system (5) 6. A valve in the human heart between the left ventricle and the aorta (6, 5) 7. A large vein carrying deoxygenated blood into the heart (8, 4, 4) 8. It serves as an electrical relay station, slowing the electrical current sent by the SAN before the signal is permitted to pass down through to the ventricles (5, 11, 4) 10. A vein carrying oxygenated blood from the lungs to the left atrium of the heart (9, 4) Down 2. The valve between the left atrium and the left ventricle of the heart, which has two tapered cusps (6, 5) 3. A semilunar valve of the heart that lies between the right ventricle and the pulmonary artery and has three cusps (9, 5) 7. What is known as the heart's natural pacemaker (4, 6, 4)
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