anatomy notes - Quizlet AQP Unit 3 Respiratory Anatomy...

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Unformatted text preview: Quizlet AQP Unit 3: Respiratory Anatomy Study online at quizlet com_ Sikarl alveolus (!) small air sacs of the lungs which allow for rapid gaseous exchange with blood; site of external respiration* 2. bronchiale ('s) passageway for air in the lungs between the bronchi and alveoli* 3. bronchus !) passageway for air branching from the trachea , leading into lung's " & capillary (ies ) small blood vessels consisting if a single layer of cells that allows exchange between the blood and tissue fluids (e . g . Oxygen , carbon dioxide ! 5. diaphragm dome- shaped muscle , separating the thoracic and abdominal cavities ; Enables ventilation of the lungs "breathing through contraction and relaxation* & epiglottis flap of cartilage which depresses and covers the opening of the trachea during swallowing preventing food from Entering* external Intercostal raises the rib cage , decreasing pressure inside the chest cavity during inspiration* muscle ('s ) & heart hollow, muscular organ that pumps blood throughout the body* { internal intercostal lowers the rib cage , increasing pressure in the chest cavity during expiration* muscle ('s) 10. larynx passageway for air moving between the pharynx and trachea ; contains vocal cords* 11. lung ('s) spongy organ in the thoracic cavity , Enclosed by the diaphragm and rib cage ; houses air for respiration 12. nasal cavity hollow space behind the nose ; warms , humidifiers , and filters incoming air* 13. oral cavity mouth; alternate Entry point for air entering the body for Exit point for air leaving the body." 14. pharynx throat; passageway for air moving between the nasal /'oral cavities and larynx (as well as food from the oral cavity to the Esophagus) 15. pulmonary artery blood vessel carrying oxygen - poor blood from the heart to the lungs Is. pulmonary vein blood VESSEL carrying oxygen - rich blood from the lungs to the heart 17. rib ( s ) bones of the chest that define the thoracic cavity ; protect the heart and lungs Is trachea flexible tube reinforced by rings of cartilage serving as a passageway for air moving between the larynx and bronchi...
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