Respiratory system

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Across
  1. 2. In the lungs how many lobes does the left side have?
  2. 4. The small hairs in the nasal cavity are called?
  3. 5. The left lung is slightly _____________ than the right.
  4. 7. How many cm long is the larynx?
  5. 8. The trachea connects the larynx to the_______?
  6. 9. The alveoli are _________ cell walls.
Down
  1. 1. How many cm long is the trachea?
  2. 3. The larynx is located below the __________.
  3. 6. There is around 300 million _______ in each lung?
  4. 10. what shape is the epiglottis?