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  • Created by: lucyf98
  • Created on: 03-10-14 09:18
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  • Lungs
    • inhalation
      • trachea carries inhaled air into the lungs
      • intercostal muscles contract and ribs mule up and out
      • diaphragm pulls down
      • lung volume increases
    • exhalation
      • lung volume decreases
      • diaphragm relaxes
      • external intercostal muscles relax
      • air moves out through thorax


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