RESPIRATORY SYSTEM

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Across
  1. 3. The tiny air sacs in the lungs where gas exchange occurscat Likes to chase mice
  2. 4. The inflammation of the lungs
  3. 5. The windpipe
Down
  1. 1. A muscle that separates the thoracic and abdominal cavities
  2. 2. A tube that carries air from the trachea to the lungs