Cardiovascular

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Across
  1. 6. The valve on the left side of the heart
  2. 7. medical term for heart attack
  3. 9. deoxygenated blood returns to the lungs
  4. 11. lower chambers of the heart
  5. 13. when the heart contracts
  6. 17. heartbeat too fast/slow or irregular
  7. 18. 60-100 is the normal range in adults
  8. 19. carries oxygenated blood to the body
  9. 20. The valve on the right side of the heart
Down
  1. 1. small vessels where oxygen exchanges
  2. 2. oxygenated blood delivered to body
  3. 3. how many chambers does the heart have
  4. 4. force exerted on arteries
  5. 5. artery supplies blood directly to heart
  6. 8. largest vein in the body
  7. 10. muscle layer of the heart
  8. 12. pacemaker of the heart
  9. 14. largest artery in the body
  10. 15. when the heart relaxes
  11. 16. returns deoxygenated blood back to the heart
  12. 19. upper chambers of the heart