Respiratory 2 - RespiratoryPhysiology Anatomy...

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Respiratory Physiology Anatomy Pulmonary Ventilation External Respiration Internal Respiration
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Respiratory Anatomy cont’d: 1. Alveoli : smallest structural & functional unit of Respiratory System -gas exchange occurs here thin – simple squamous epithelium moist- air humidified as passes through respiratory tract, alveoli coated with surfactant warm – body temperature large enough – 150 million/lung 1. Lung: paired organs, each has its own pleural cavity. The serous membranes of the lung are called the pleurae. The visceral pleura covers the lung itself, and the parietal pleura lines the cavity. The space between (pleural cavity) is filled with serous fluid. -very thin film of fluid, creates a suction between the two layers of pleura
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Respiratory Physiology Respiratory physiology focuses on a series of integrated processes: 1. Pulmonary Ventilation: movement of air into and out of the lungs 2. External Respiration: 3. Internal Respiration:
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This note was uploaded on 05/27/2011 for the course BIO 180 taught by Professor Sarahbales during the Spring '11 term at Moraine Valley Community College.

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Respiratory 2 - RespiratoryPhysiology Anatomy...

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