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Lobes are separated by fissures: O blique fissure in left lung One oblique and one horizontal fissure in right lung. Right lung has 3 lobes – superior, middle, inferior Left lung has 2 lobes – superior and inferior. Air Flow Trachea Primary bronchi Secondary bronchi Tertiary bronchi
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Lobes are separated by fissures: • Oblique fissure in left lung • One oblique and one horizontal fissure in right lung • Right lung has 3 lobes – superior, middle, inferior • Left lung has 2 lobes – superior and inferior
Air Flow Trachea Primary bronchi Secondary bronchi Tertiary bronchi Bronchioles Terminal bronchioles Respiratory bronchioles Alveolar ducts Alveoli Supported by cartilage Mostly pseudostratified columnar, goblet cells Often cuboidal, with or without cilia No cartilage Simple squamous cells