The Respiratory System

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Across
  1. 2. A process in which particles move from an area of higher concentration to area of lower concentration.
  2. 6. Another term for inhalation.
  3. 7. These tiny air sacs are found in the lungs, allowing for gas exchange.
  4. 10. An inflammation of the lungs caused by a bacterial or viral infection.
Down
  1. 1. A lung disease in which the bronchioles become swollen and produce mucus.
  2. 3. This muscle plays an important role in breathing, contracting to inflate the lungs.
  3. 4. Another term for exhalation.
  4. 5. Dioxide This is a waste product, produced by the respiratory system.
  5. 8. A hollow muscular organ that forms an air passage to the lungs.
  6. 9. Cavity A large air-filled space, located behind and above the nose.