CardiovascularSystem10.7

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Across
  1. 2. upper chambers of the heart
  2. 3. cavity within the pericardium middle layer containing fluid that lubricates de heart
  3. 5. largest single artery
  4. 6. fast
  5. 9. arteries supply blood to the head and neck
  6. 12. pulse
  7. 14. lower chambers of the heart
  8. 15. smaller veins
Down
  1. 1. cells in the interior of the heart
  2. 4. smaller arteries
  3. 7. heart
  4. 8. heart beat felt through wall arteries
  5. 10. mucus
  6. 11. slow
  7. 13. prevent backflow and moves blood in one direction