Respiratory System - Respiratory System Structure Nasal...

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Respiratory System Structure Nasal Cavity Nares (nasal apertures) o External (Anterior) o Internal (Posterior) “Choana” Sinuses Frontal Sphenoid Ethmoid Maxillary Meatuses Superior Middle Inferior 3 Regions of Pharynx Nasopharynx Oropharynx Laryngopharynx Cartilage of the Larynx Thyroid C. o Laryngopharynx o Adams apple= Laryngeal prominence Trachea o C-rings Epiglottis
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Respiratory Tract Trachea o Carina (looks like underwear) Bronchi o Primary (2) o Secondary (5) o Tertiary (18) Lower Respiratory Tract Bronchioles o Terminal (end of conduction zone) o Respiratory (Where gas exchange begins) Alveolar sac o Alveoli Lungs Not symmetrical! Apex Base Cardiac notch (dent in the left lung bc of heart) Lobes o Right (3) Superior Middle Inferior o Left (2) Superior Inferior Pleurae
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  • Spring '17
  • respiratory tract, lower respiratory tract

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