The Heart

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Across
  1. 3. The valve between the atrium and the left ventricle is called ... valve.
  2. 4. This chamber of the heart receives blood.
  3. 5. Our heart uses ... to push our blood forwards.
  4. 7. Is oxygenated blood always colored in red?
  5. 9. A healthy persons heart beats around ... times per minute.
  6. 12. The valves which stop blood running back into the heart from arteries are called ... valves.
  7. 13. Blood with less oxygen is called ... blood.
  8. 14. These hold valves in place.
Down
  1. 1. The valve between the atrium and the right ventricle is called ... valve.
  2. 2. This chamber of the heart pumps blood out into the arteries.
  3. 6. This is used by doctors to listen to your heart beat.
  4. 8. This is the name of the main artery which leaves the heart to supply our body with blood.
  5. 10. The heart is actually made of ... .
  6. 11. If your heart doesn't beat properly then you might need an artificial ... .