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RESPIRATORY SYSTEM (MANUAL NOTES (Bronchiole Tree of 10 branching levels…
RESPIRATORY SYSTEM
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MANUAL NOTES
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Primary Bronchi (1 Left; 1 Right) -> Secondary Bronchi (2 Lobes Left Lung; 3 Lobes Right Lung) -> Tertiary Bronchi -> Bronchioles (no model representation) -> Terminal Bronchioles (no model representation) -> Respiratory Bronchiole -> Alveolar Ducts -> Alveoli sac (made up of many alveoli) -> SINGLE Alveolus (gas exchange)
Conduction Zone has smooth muscle, Respiratory Zone has none
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BLOOD SUPPLY TO LUNGS
Enters lungs via pulmonary arteries (pulmonary circulation) & bronchial arteries (systemic circulation)
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ACID-BASE BALANCE
RESPIRATORY ACIDOSIS
pH drops, pCO2 rises, abundance of H+ ions (bronchitis, emphysema)
RESPIRATORY ALKALOSIS
pH rises, pCO2 drops, lack of H+ ions (hyperventilation)
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