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Viral infection in lungs (upstream (pneumonia (low oxygen (indirect,…

- - - - Allows movement of oxygen and carbon dioxide to between lungs and bloodstream
      - nasal cavity
        
        allows movement of air in and out
        
        pharynx
        
        allows air to pass into the larynx
        
        larynx
        
        produces noise
        
        Trachea
        
        voice box
        
        air pathway
        
        Bronchi
        
        gas exchange
        
        1 more item...
        
        Lung
        
        2 more items...
  - - - Two nares
        
        ciliated pseudostraified columnar epithelium
      - Pharynx
        
        Behind the tongue
        
        squamous stratified epithelium
        
        larynx
        
        inferior to Pharynx
        
        hyaline cartilage
        
        trachea
        
        ciliated pseudostratified columnar epithelium
        
        bronchi
        
        ciliated pseudostratified columnar epithelium
        
        lung
        
        simple squamous epithelium
- - - - indirect
      - elevation makes it difficult to breathe
- - - - stops the lungs from expanding properly
    - - indirect
      - fatigue
  - - - low oxygen
        
        increase heart rate
        
        harder time breating
    - - kidney damage
        
        fatigue
  - - - breathing becomes more difficult