The Heart

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Across
  1. 2. Beat of the heart felt through the walls of the arteries
  2. 8. Small vein
  3. 9. Membrane surrounding the heart
  4. 10. Innermost lining of blood vessels
  5. 13. Valve between right ventricle and the pulmonary artery
  6. 14. Wall dividing a cavity of the heart
  7. 16. Valve between left atrium and left ventricle
Down
  1. 1. Middle layer of the heart
  2. 3. Inner lining of the heart
  3. 4. Carry blood away from the heart
  4. 5. Smallest type of blood vessel
  5. 6. Upper chambers of the heart
  6. 7. Carries blood back to the heart
  7. 11. Valve between the right atrium and right ventricle
  8. 12. Lower chambers of the heart
  9. 15. Largest artery in the body