Cardiovascular System Terms

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Across
  1. 2. lower tip of the heart
  2. 6. muscular, middle layer of the heart
  3. 8. wall dividing a cavity
  4. 12. heart rhythm originating in the SA node and traveling through the heart
  5. 13. cyan/o
  6. 14. smallest blood vessel
  7. 15. coron/o
  8. 16. one of two upper chambers of the heart
Down
  1. 1. double-layered membrane surrounding the heart
  2. 3. relaxation phase of the heartbeat
  3. 4. small vein
  4. 5. largest type of blood vessel
  5. 7. flow of blood from the heart to the lungs and back to the heart
  6. 9. sinoatrial node
  7. 10. brachi/o
  8. 11. beat of the heart felt through the walls of the arteries