The Respiratory System

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Across
  1. 2. Covers the opening to the larynx
  2. 4. Metered dose inhalers contain this
  3. 6. The portion of the pharynx that receives both food and air
  4. 7. Formed from the tertiary bronchi
Down
  1. 1. The generic name of Tessalon
  2. 3. The actual sites of gas exchange within the lungs
  3. 5. The number of lobes in the left lung