The Respiratory System Crossword

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Across
  1. 3. helps us smell and breathe
  2. 4. a disease you get that damages your lungs
  3. 6. a major muscle
  4. 7. colourless oderless air
Down
  1. 1. Long curved bones
  2. 2. helps us breathe and is located in the thorax
  3. 5. a pipe in our body where the air travels through