Respiratory System

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Across
  1. 1. inspires and expires oxygen
  2. 3. large muscles which expands and contracts
  3. 4. dioxide oxygen from the air is exchanged from our bloodstream
  4. 6. provides greater ventilation
  5. 7. delivers air to the lungs and divides into a number of branches
  6. 9. the process by which the body takes in oxygen and removes carbon dioxide
  7. 11. oxygen and carbon dioxide
  8. 12. air movement from the lungs to the atmosphere
  9. 13. process by which air is moved in and out of the lungs
  10. 14. supplied with fresh air during inspiration
Down
  1. 2. air containing oxygen is warmed, moistened and filtered of any foreign material
  2. 5. hollow tube strengthened and kept open by rings of cartilage
  3. 8. air movement from the atmosphere into the lungs
  4. 10. a common passage for air to the trachea or food to the oesophagus
  5. 12. brought about by a number of immediate adjustments in the working of the respiratory system