The Respiratory System

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Across
  1. 2. lung inflammation caused by bacterial or viral infection
  2. 4. opening and inhaling
  3. 5. The bronchus in the lungs are lined with hair-like projections
  4. 7. each of a series of slender curved bones articulated in pairs to the spine (twelve pairs in humans), protecting the thoracic cavity and its organs
  5. 8. a hollow, muscular tube inside the neck that starts behind the nose and opens into the larynx and esophagus
Down
  1. 1. the action of breathing with the intake of oxygen and the release of carbon dioxide
  2. 3. a respiratory condition marked by spasms in the bronchi of the lungs, causing difficulty in breathing
  3. 6. The area of the throat containing the vocal cords and used for breathing, swallowing, and talking