Cardiovascular System

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Across
  1. 2. Connect arteries and veins
  2. 3. The lower 2 chambers of the heart
  3. 4. The outer fibrous layer
  4. 8. this cycle is a complete heartbeat
  5. 9. The heart pumps blood to the lungs via this artery
  6. 12. this node is the pace maker of the heart
  7. 13. refers to the heart
  8. 15. this valve has 2 cusps
  9. 16. located at the base if the right atrium, near the right ventricle
  10. 18. Carry blood back to the heart
  11. 19. Function of this system is to maintain
Down
  1. 1. this valve has 3 cusps
  2. 5. The upper 2 chambers of the heart
  3. 6. these carries blood away from the heart
  4. 7. these fibers distribute impulses to the ventricles
  5. 10. refers to the blood vessels
  6. 11. A double membrane sac that covers the outside of the heart
  7. 14. the heart is located in this cavity
  8. 17. The inner layer that covers the heart