respiratory system

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Across
  1. 2. This is the muscle that is responsible for inflating and deflating the lungs
  2. 5. It is the pipe that sends air to the lungs
  3. 6. It is the organ that collects the air
Down
  1. 1. It is found at the end of the trachea and splits the air into each lung
  2. 3. These are the air sacs that exchange oxygen and carbon dioxide in the blood
  3. 4. These are the small air tubes that connect the bronchus to the alveoli