Respiratory System

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Across
  1. 5. Known as the common flu
  2. 6. Connects the larynx to the bronchi and allows air to pass through the neck
  3. 7. The main organ involved in the respiratory system
  4. 8. Inflammation of the bronchial tubes
  5. 9. Passageway for food to enter the stomach and for air to enter the lungs
  6. 12. The_____ takes in oxygen and releases carbon dioxide.
  7. 14. Shortness of_____ is a symptom of lung cancer.
Down
  1. 1. COPD is most often caused by_____ smoke.
  2. 2. Smoking is one of the main causes of_____.
  3. 3. Small air sacs in the lungs in which carbon dioxide leaves the lungs and enters it
  4. 4. Helps the lungs contract and expand to inhale and exhale
  5. 7. Connects the pharynx to the trachea and allows air to pass through
  6. 10. Carry air from the trachea into the lungs
  7. 11. Swelling and shrinking of the airways
  8. 13. One in_____ people have asthma and it is continuing to increase.