Cardiovascular system

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Across
  1. 1. middle, muscle layer of the heart wall
  2. 3. artery supplies blood to the head and neck
  3. 5. carries blood away from the heart
  4. 6. cavae two largest veins in the heart
  5. 7. conduct blood toward the heart
  6. 8. beat of heart as felt through walls of arteries
  7. 10. small vein
  8. 11. valve valve between right atrium and ventricle
  9. 12. upper chambers of the heart
  10. 13. valve valve between the left atrium and ventricle
Down
  1. 2. small artery
  2. 4. largest artery in the body
  3. 7. lower chambers of the heart
  4. 8. fibrous membranous sac that surrounds heart
  5. 9. partitions that separate the four chambers of heart