Cardiovascular puzzle

123456789101112131415
Across
  1. 5. small vein
  2. 6. smallest type of blood vessel
  3. 9. beat of the heart as felt through the walls the arteries
  4. 11. largest type of blood vessel
  5. 12. muscular middle layer of the heart
  6. 13. largest artery in the body
  7. 15. partition or wall dividing a cavity
Down
  1. 1. relaxation phase of the heart beat
  2. 2. contraction phase of the heart beat
  3. 3. also known as sinoatrial node
  4. 4. located between the right atrium and ventricle
  5. 7. structure in the veins that temporary closes
  6. 8. instrument to measure blood pressure
  7. 10. inner lining of the heart
  8. 14. abnormal swishing sound