Cardiovascular System

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Across
  1. 1. The largest vein in the body
  2. 4. Cavity that contains the heart
  3. 9. Type of blood vessel that is thin enough to allow nutrients to pass through its walls
  4. 10. Used to control the beating of the heart.
  5. 12. Caused by the closing of valves in the heart
  6. 13. The outermost layer of the heart
  7. 16. The type of muscle making up the heart
  8. 18. Stoppage of the heart
  9. 19. Blood vessels that carry blood away from the heart
  10. 20. A type of vein that is twisted and enlarged
Down
  1. 2. Chambers of the heart that pump blood into the body
  2. 3. Chambers of the heart that receive blood from the body
  3. 5. A lack of blood flow to the heart
  4. 6. Sling that supports the heart
  5. 7. Transported by the cardiovascular system
  6. 8. The large blood vessels attached to the heart
  7. 11. Cardiac ______ System
  8. 14. The main artery that carries blood away from the heart
  9. 15. Allow blood to move through the heart correctly
  10. 17. can lead to damage to the heart caused by a lack of oxygen