The Mysterious Human Heart
Across
- 4. another name for the Bundle of His
- 7. one of the upper chambers of the heart
- 12. a condition in which the heartbeat is slower than normal
- 13. a heart attack
- 16. a chronic medical condition in which blood pressure in the arteries is elevated
- 19. also known as immunoglobulins
- 20. the rapid, irregular, and unsynchronized contraction of heart muscle
- 21. the period when the heart fills with blood after the previous heartbeat
- 22. A lipid found in animal products that can accumulate in the walls of arteries leading to atherosclerosis
Down
- 1. a recording of the electrical activity of the heart over a period of time
- 2. an accumulation/swelling in artery walls made up of mostly macrophage cells, or debris, that contain cholesterol and fatty acids, calcium and fibrous connective tissue
- 3. conducting fibers that carry the cardiac impulse from the left and right bundle branches to the heart muscle cells
- 5. the system of blood vessels carrying blood from the heart to the lungs and back again
- 6. any abnormal electrical activity in the heart
- 8. any hardening of the arteries
- 9. literally means "heart muscle disease," is deterioration of the function of the heart muscle for any reason
- 10. a condition in which the heartbeat is faster than normal
- 11. the system of blood vessels carrying blood from the heart to all parts of the body (except the lungs) and back again
- 14. a physician specializing in diseases of the cardiovascular system
- 15. period of contraction in a chamber of the heart
- 17. a state of no cardiac electrical activity
- 18. one of the lower chambers of the heart
- 23. a group of cells in the posterior wall of the right atrium that establishes the heart rate and initiates the impulse causing heart contraction