The Heart

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Across
  1. 2. prevents the backflow of blood
  2. 3. takes blood away from the heart
  3. 5. blood - blue coloured blood
  4. 7. valve between left atrium and left ventricle
  5. 11. the chamber at the bottom
  6. 12. separates the right and left side of the heart
  7. 13. takes blood back to the heart
Down
  1. 1. the artery that carries blood to the lungs from the heart
  2. 4. blood vessel that carries blood back to the heart from all around the body
  3. 6. - red coloured blood
  4. 8. main artery of the heart
  5. 9. valve between right atrium and right ventricle
  6. 10. the chamber at the top