Across
- 1. relaxation phase of the heartbeat
- 6. smallest type of blood vessel
- 8. record of the electrical activity of the heart
- 9. largest artery in the body
- 10. inner lining of the heart
- 12. small artery
- 14. blood that is oxygen-poor
- 15. (of the heart)lower tip of the heart
Down
- 2. specialized tissue in the wall between the atria.
- 3. abnormal swishing sound caused by improper closure of the heart valves
- 4. located on each side of the neck branch from the aorta and provide blood to head, neck and brain.
- 5. (atria) one of two upper chambers of the heart
- 7. specialized muscle fibers connecting the atria with the ventricles and transmitting electrical impulses between them. (bundle of His)
- 11. largest type of blood vessel; carries blood away from the heart to all parts of the body
- 13. Blood vessels that branch from the aorta and carry oxygen-rich blood to the heart muscle