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images (2019/5/12 2:48) (ALVEOLUS gettyimages-478189383-612x612…

- - - - pH decrease
  - - - Send to muscle
        
        Increase rhythm of breathing
- - - - Carbon dioxide bind to hemoglobin,carbaminohemoglobin is formed
      - Has darker maroon colour (deoxygenated blood)
    - - In plasma,Carbon dioxide slowly combines with water to form carbonic acid
      - Carbonic acid is unstable thus dissociates into bicarbonate ion & hydrogen
      - This reaction proceeds rapidly inside red blood cell
        as a result of the action of enzyme carbonic anhydrase
    - - As a result,5 to 7% of carbon dioxide is dissolved in the interstial fluid and plasma
      - Carbon dioxide is about 20 times more soluble than oxygen
- - - - Trachea
        
        Bronchi
        
        Bronchioles
        
        Alveolus
- - - - The pressure increase
      - The air forced to exit the lung
      - The volume of thoracic cavity decrease
    - - The pressure decrease
      - Forcing the air to enter the lung
      - The volume of thoracic cavity increase
  - - - Partial pressure of carbon dioxide
        
        Partial pressure of carbon dioxide is higher in blood capillary compared to alveolus
        
        Carbon dioxide diffuse from blood capillary to alveolus
    - - Gas moved from high partial pressure to low partial pressure
    - - Partial pressure of oxygen is higher in the alveolus compared to in blood capillary
      - Oxygen diffuse from alveolus into the blood capillary