Respiratory System

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Across
  1. 2. What is the definition of difficulty in breathing?
  2. 4. What is the muscle involved in breathing?
  3. 6. What is the reflex of food accidentally entered trachea?
  4. 7. What is the air sacs in the lungs called?
Down
  1. 1. Which disease causes bronchoconstriction due to allergy?
  2. 3. What is quiet respiration called?
  3. 5. Which disease describes the mucus accumulating in the alveoli due to infection?
  4. 8. Where is the voice box located?