Lab 6 Student Notes

Lab 6 Student Notes - Lab 6 Anatomy of the Respiratory...

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Lab 6 Anatomy of the Respiratory System (Exercise 36) A. Upper Respiratory System Structures Air Conditioning Functions: - warms - humidifies - filters 1. External nares (nostrils) 2. Nasal cavity and nasal septum 3. Inferior, superior, and middle nasal conchae Turbinates 4. Paranasal sinuses 5. Hard and soft palates 6. Pharynx a. nasopharynx - internal nares b. oropharynx - palatine tonsils - lingual tonsils c. laryngopharynx 7. Larynx a. thyroid cartilage (Adam’s apple) b. cricoid cartilage c. epiglottis d. arytenoid cartilages e. cuneiform cartilages f. corniculate cartilages g. vestibular folds (false vocal cords) h. vocal folds (true vocal cords) i. glottis 8. Trachea (windpipe) - ciliated pseudostratified columnar epithelium B. Lower Respiratory System Structures 1. Primary bronchi (right vs. left) 2. Hilus 3. Secondary (lobar) , tertiary (segmental) , etc. bronchi 4. Bronchioles 5. Terminal bronchioles 6. Respiratory bronchioles
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7. Respiratory tree 8. Alveolar ducts 9. Alveoli 10. Respiratory Membrane C. The Lungs and Their Pleural Coverings 1. Apex 2. Base 3. Cardiac notch 4. Costal surface 5. Diaphragm 6. Pleura (serous membranes) a. parietal pleura b. visceral pleura c. pleural cavity 7. Lobes and Fissures - oblique fissure (both) - horizontal fissure (right) - superior and inferior lobes (both) - middle lobe (right) 8. Lobules 9. Alveoli - Type I cells --- simple squamous - Type II cells --- cuboidal ( make surfactant) Segments right left 3 5 2 5 5 D. Sheep Pluck (larynx, trachea, and lungs) E. Prepared Slides of Trachea and Lung Tissue 1. Trachea with pseudostratified columnar epith. - hyaline Cartilage 2. Lung section - alveolar duct - respiratory bronchiole - alveoli - bronchiole F. Do Review Sheet 36 (pp. 545-548) 2
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Respiratory System Physiology (Exercises 37A) A. Mechanics of Respiration Internal vs. External Respiration 1. Pulmonary ventilation (breathing) 2. Inspiration (inhalation) Inspiratory Muscles: external intercostals diaphragm contraction 3. Expiration (exhalation) Expiratory Muscles: internal intercostals cont. Respiratory Volumes and Capacities (spirometry)
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This note was uploaded on 02/01/2011 for the course BIOL 228 taught by Professor Marilynkoob during the Fall '10 term at Boise State.

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Lab 6 Student Notes - Lab 6 Anatomy of the Respiratory...

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