Respiratory/Circulatory Crossword

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Across
  1. 3. The part of your respiratory that is the voice box which allows you to talk.
  2. 4. The tube that carries air to and from the mouth to the lungs
  3. 7. Where the gas exchange happens in the lungs between oxygen and carbon dioxide
  4. 9. The name of the upper chambers in the heart
  5. 10. Most important organ in the circulatory system
  6. 11. Vessel that carries blood back to the heart
  7. 13. The waste from the lungs that is exhaled out of the body
  8. 14. The part of the heart that sends blood to the body
Down
  1. 1. The name of the lower chambers in the heart
  2. 2. The type of gas in air that cells need to function
  3. 5. The blood component that clots and builds scabs
  4. 6. Blood component that fights infection
  5. 7. Vessel that carries blood away from the heart
  6. 8. The main and most important organ in the respiratory system
  7. 12. where air enters the body