cardiovascular system

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Across
  1. 5. contraction phase of the heartbeat
  2. 6. smallest blood vessel
  3. 8. dilation of the heart
  4. 11. condition of slow-moving heartbeat
  5. 13. product of catabolism
  6. 14. beat of the heart
Down
  1. 1. say something in a low, soft voice
  2. 2. chamber of the heart
  3. 3. breakdown a clot
  4. 4. deficient oxygen
  5. 7. inner lining of the heart
  6. 9. relaxation of the heartbeat
  7. 10. small artery
  8. 12. dimituive vein
  9. 14. membrane surrounding the heart