The respiratory system

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Across
  1. 2. located just after the larynx.
  2. 4. main organ in the respiratory system
  3. 6. respiration enriches the body with ________.
Down
  1. 1. it is better to breathe through your _______.
  2. 3. located in the lungs where gaseous exchange takes place.
  3. 5. common organ between the digestive system and the respiratory system.