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Respiratory zone Site of gas exchange- respiratory bronchioles, alveolar ducts, and alveoli
Respiratory bronchioles First in the resp zone, simple cuboidal epithelium,
Alveolar ducts Second in the resp zone, thin airways, simple squamous epithelium
Alveoli Third in the resp zone, saccular outpocketings, simple squamous epithelium
Surfactant Inner alveolar surface, supports the structure of the alveolus
Boyle's Law P1V1=P2V2; at a constant temperature, the pressure of a gas decreases if the volume of the container increases and vice versa
Intrapulmonary pressure Pressure in the lungs; intra-alveolar pressure;
Intrapleural pressure pressure in the plural cavity; lower than the pressure in the lungs (intrapulmonary)
Pathway of the respiratory system Nose, Nasopharynx, Oropharynx, Laryngopharynx, Larynx, Trachea, Main Bronchi, Lobar Bronchi, Segmental Bronchi, Terminal Bronchioles, Respiratory Bronchioles, Alveolar ducts, Alveolar Sacs
Laryngeal Prominence Thyroid cartilage with laryngeal prominence (Adam’s apple)
Functional anatomy Conducting zone: conduits to gas exchange sites Includes all other respiratory structures Respiratory muscles: Diaphram Respiratory zone: site of gas exchange Microscopic structures: respiratory bronchioles, alveolar ducts, and alveoli
Sound production Speech: release of expired air opening/closing the glottis Pitch:length/tension of vocal cords Loudness: force of air Pharynx, oral, nasal, and sinus cavities amplify/sound quality Sound is “shaped” by pharynx, tongue, soft palate, and lips
Anatomy of the lungs Apex-top; Right-3 lobes; Left- Cardiac notch;
Hilum bronchi, pulmonary vessels, lymph vessels, and the pulmonary plexus autonomic nerves
Bronchiopulmonary segments Right- 10; Left- 8-10
Created by: WickedM



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