Across
- 1. chronically elevated arterial blood pressure
- 4. muscles anchoring atrioventricular valves (2 words)
- 5. resistance vessels controlling blood flow into capillaries
- 6. small vessels collecting blood from capillaries
- 9. chamber responsible for systemic circulation (2 words)
- 12. vessels supplying oxygenated blood to heart muscle (2 words)
- 15. electrical activation of cardiac muscle cells
- 21. fibrous cords preventing valve prolapse (2 words)
- 22. amount of blood ejected per ventricle per beat (2 words)
- 26. thick-walled vessels carrying blood away from the heart
- 28. semilunar valve between left ventricle and aorta (2 words)
- 29. arterial pressure during ventricular relaxation (2 words)
- 33. inner endothelial lining of the heart chambers
- 35. valve between right atrium and right ventricle (2 words)
- 38. protective sac surrounding the heart
- 39. volume of blood pumped by the heart per minute (2 words)
- 41. primary pacemaker initiating cardiac depolarization
- 42. conduction pathway between atria and ventricles (3 words)
- 43. terminal conduction fibers causing ventricular contraction (2 words)
- 44. sequence of contraction and relaxation in one heartbeat (2 words)
- 46. bicuspid valve between left atrium and left ventricle
- 50. vessel that carries deoxygenated blood from the right ventricle to the lungs (2 words)
- 52. red blood cells transporting oxygen
- 54. large vein returning deoxygenated blood to the right atrium (2 words)
- 55. traveling clot that can obstruct blood flow
- 56. phase of ventricular relaxation and filling
Down
- 1. oxygen-binding protein in red blood cells
- 2. abnormally low blood pressure
- 3. phase of ventricular contraction
- 7. vein draining blood from the upper body to the heart (3 words)
- 8. white blood cells involved in immune defense
- 10. abnormally fast heart rate
- 11. microscopic vessels allowing exchange of gases and nutrients
- 13. thin-walled vessels returning blood to the heart
- 14. pathway supplying blood to the lungs (2 words)
- 16. buildup of lipid plaques in arterial walls
- 17. abnormal heart rhythm
- 18. number of heartbeats per minute (2 words)
- 19. arterial pressure during ventricular contraction (2 words)
- 20. stationary blood clot within a vessel
- 23. semilunar valve between right ventricle and pulmonary artery (2 words)
- 24. force exerted by blood on vessel walls (2 words)
- 25. muscular wall separating the L and R side of the heart
- 27. lower chamber of the heart that pumps blood out of the heart
- 30. vessel that returns oxygenated blood from the lungs to the left atrium (2 words)
- 31. pathway supplying oxygenated blood to the body (2 words)
- 32. vein draining blood from the lower body to the heart (3 words)
- 34. upper chamber of the heart that receives blood
- 36. muscular layer of the heart wall
- 37. structures preventing backflow in veins
- 40. recording of electrical activity of the heart
- 45. largest artery carrying oxygenated blood from the left ventricle
- 47. chamber responsible for pulmonary circulation (2 words)
- 48. outer layer of the heart wall
- 49. abnormally slow heart rate
- 51. delay center conducting impulses to the ventricles
- 53. cell fragments involved in blood clotting