The Cardiac Cycle

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Across
  1. 3. The valve separating the left atria from the left ventricles
  2. 6. Connect the valves to the papillary muscles
  3. 9. Generic term for valves that separate the atriums from the aorta and pulmonary vein
  4. 11. The contraction of the ventricles
  5. 13. sound when the ventricles contract
  6. 14. sounds made from a heart beat
  7. 15. The bottom of the heart
Down
  1. 1. Valve consisting of three flaps
  2. 2. relaxation of the heart
  3. 3. The valves prevent this
  4. 4. contraction of the heart
  5. 5. The contraction of the atria's
  6. 7. sound when the ventricles relax
  7. 8. Supplies the body with oxygenated blood
  8. 10. Respiratory pigment that has a greater affinity for oxygen than haemoglobin
  9. 12. Muscle that separates both sides of the heart