Respiratory system crossword

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Across
  1. 3. there are 12 pairs of these
  2. 6. Muscle Partition that separates the thorax from the abdomen
  3. 8. the action of breathing
  4. 10. Spongy air filled organs
Down
  1. 1. this keeps air ways clean of dirt and mucus making it easy to breath
  2. 2. a condition where your air ways swell making it hard to breath
  3. 4. also called exhaling
  4. 5. a muscular tube that connects the throat to the stomach
  5. 7. the part of the body between your thorax and you pelvis
  6. 9. taking air into the lungs