Respiratory system quiz

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Across
  1. 3. The organ which inflates and deflates as we breathe in and out
  2. 5. The organ that pumps blood to the rest of the body
  3. 6. The pipe which takes the oxygen to our lungs
  4. 8. The gas we exhale
  5. 10. A simple sugar
Down
  1. 1. The organ which helps you breathe
  2. 2. This splits into 2 so the lungs get oxygen
  3. 4. pipes which transports oxygenated blood to the body
  4. 7. Where gas exchange happens
  5. 9. The gas we breathe in