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70 year old patient develop respiratory problems such as pneumonia, fast,…

- - - - singular layer of squamous epithelial
    - - Secrete surfactant
        
        make nonpolar coding so the lungs won't stick shut together
- - - - the Partial Pressure of oxygen is higher in the atmosphere than the body
  - - - because the partial pressure of carbon dioxide is greater in the body than out (diffusion)
- - - - when the volume of the lung increase, the pressure of air in the lung decreases and vice versa
  - - - for example; Carbon dioxide dissolves in blood to be diffuse out
        
        Oxygen cannot, has to be carried by a protein ( hemogloblin )
- - - - so partial pressure is less also compared to inside your body
        
        making you breath harder and faster, trying to get as much oxygen as possible
        
        Carbon dioxide will build up, because oxygen is not being diffuse inside the body so the exchange of the gases can occur
- - - - which make her more prone to catch infections compared to a young adult
  - - - less oxygen
        
        carbon dioxide builds up in body
        
        makes blood acidic
        
        irregular heart beat
        
        seizure may occur
        
        loss of consciousness
        
        harder to breath
        
        muscle twitching
      - there is no gas exchanging
        
        the partial pressure of oxygen is higher in the body than the atmosphere
        
        diffusion will not occur
  - - - can lead to inflammation of the lungs
        
        overproduction of mucus
        
        thickening of the lining of her lungs
        
        alveoli become less efficient
        
        can lead to COPD