The Heart

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Across
  1. 5. Carries deoxygenated blood to the heart
  2. 6. The valve between the Left Atrium and Left Ventricle
  3. 8. Carry blood away from the heart
  4. 9. The valve between the Right Atrium and Right Ventricle
  5. 11. The pressure of blood inside an artery
  6. 13. Carries oxygenated blood to the heart
  7. 17. This separates the heart into left and right
  8. 18. Blood is oxygenated here
  9. 19. The internal diameter of a vessel
  10. 20. These prevent blood travelling in the wrong direction
Down
  1. 1. Blood leaving the heart to the body is this
  2. 2. Deoxygenated blood enters the heart here
  3. 3. Oxygenated blood enters the heart here
  4. 4. Carries oxygenated blood to the body
  5. 7. Blood returning to the heart from the body is
  6. 10. Carries deoxygenated blood to the lungs
  7. 12. The smallest of the blood vessels
  8. 14. The pressure of blood inside a vein
  9. 15. Carry blood towards the heart
  10. 16. These prevent blood re-entering the heart