The Respiratory System

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Across
  1. 2. a tube about 12cm in length
  2. 6. is a muscle beneath your lungs that contracts and relaxes to help move gases into and out of your lungs
  3. 7. air is carried into your lungs by two short tubes
  4. 8. the airway to which two pairs of horizontal folds of tissue, called vocal cords
Down
  1. 1. shortness of breath, wheezing, or coughing can occur in a lung disorder
  2. 3. at the end of each bronchiole are clusters of tiny, thin-walled sacs
  3. 4. a tubelike passageway used by food, liquid, and air
  4. 5. is a disease in which the alveoli in the lungs enlarge