Cardiovascular System

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Across
  1. 2. - contraction of the heart
  2. 4. - area in the centre of the thorax which contains the heart and vessels
  3. 5. - name of the artery supplying the stomach, spleen and liver
  4. 6. - relaxation of the heart
  5. 11. - smallest of the chambers of the heart
  6. 12. - name of the artery supplying the heart muscle
  7. 13. main artery leaving the left side of the heart
  8. 14. - only artery which has deoxygenated blood within
  9. 16. prevents back flow of blood in the veins
  10. 17. - alternative name for the right AV valve
Down
  1. 1. - artery taking blood from the guts to the liver
  2. 3. - largest of the chambers of the heart
  3. 5. - smallest type of blood vessel
  4. 7. - abnormal heart rhythm
  5. 8. - fibres that conduct the electrical impulse in the ventricles
  6. 9. - the heart muscle
  7. 10. strands of tissue preventing AV valves flapping into the atria
  8. 15. - blood cell containing blue granules in cytoplasm under Romanowsky type stain