Respiratory System

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Across
  1. 4. Process of gases moving from high concentration to low concentration
  2. 5. Dome shaped muscle at the bottom of the ribcage
  3. 6. Ensures food travels down the oesophagus
  4. 9. Breathed into out body
  5. 10. You have external and internal ones of these
  6. 11. Volume of air inspired or expired per breath
  7. 12. Air always left in the lungs after maximal expiration
  8. 13. Contains fluid to lubricate the surfaces
Down
  1. 1. Tubes that enter the lungs
  2. 2. Contain smooth muscle rather than cartilage
  3. 3. Breathed out of our body
  4. 7. Where gas exchange takes place
  5. 8. Detect changes in oxygen and carbon dioxide
  6. 14. Connects the pharynx and the trachea