Blood Vessels and Circulation

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Across
  1. 2. Branch of left coronary artery that encircles heart.
  2. 5. Semilunar valve between left ventricle and aorta.
  3. 7. Supplies anterior interventricular septum and left ventricle.
  4. 8. Main vein draining blood from the myocardium into right atrium.
  5. 9. Network of capillaries in lungs for gas exchange.
  6. 13. Right side of the heart responsible for pulmonary circulation.
  7. 15. Vein that returns blood from the upper body to the heart.
  8. 19. Branch of right coronary artery near the margin of the heart.
  9. 21. Vein that drains the anterior heart surface.
  10. 26. Route of blood flow from heart to lungs and back.
  11. 27. Valves located at exits of the ventricles.
  12. 28. Semilunar valve between right ventricle and pulmonary trunk.
  13. 29. Vein along right margin of the heart.
  14. 31. Chest pain caused by myocardial ischemia.
  15. 32. Route of blood flow from heart to rest of body and back.
  16. 33. Reduced blood flow to the heart muscle.
  17. 34. Death of heart muscle due to lack of oxygen (heart attack).
  18. 35. Vein in the posterior interventricular sulcus.
Down
  1. 1. Artery supplying blood to right side of heart.
  2. 3. Arterial system supplying blood to the myocardium.
  3. 4. Collective term for major arteries and veins connected to the heart.
  4. 6. Blood vessels that return blood to the heart.
  5. 9. Supplies posterior interventricular septum and adjacent ventricles.
  6. 10. Artery supplying blood to left side of heart.
  7. 11. Vessels that return oxygenated blood from the lungs to the heart.
  8. 12. Connections between blood vessels providing alternative pathways.
  9. 14. Condition where coronary arteries are narrowed or blocked.
  10. 16. Largest artery in the body, carries oxygenated blood from left ventricle.
  11. 17. Interior space of a blood vessel or heart chamber.
  12. 18. Narrowing of a heart valve opening.
  13. 20. Blood vessels that carry blood away from the heart.
  14. 22. Alternate blood flow routes developed via anastomoses.
  15. 23. Main artery carrying deoxygenated blood from the right ventricle to lungs.
  16. 24. Vein that returns blood from the lower body to the heart.
  17. 25. Left side of the heart responsible for systemic circulation.
  18. 30. Condition where valve does not close properly, causing backflow.