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BIOL 153 (51)
Lecture

Respiratory Physiology.docx

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Department
Biology
Course
BIOL 153
Professor
Robert Harris
Semester
Summer

Description
Respiratory Physiology - Ventilation: movement of air into and out of lungs - External respiration: Gas exchange between air in lings and blood, transport of oxygen and carbon dioxide in the blood - Internal respiration: Gas exchange between the blood tissues - Regulation of blood pH: altered by changing blood carbon dioxide levels - Voice production: movement of air past vocal folds makes sound and speech - Olfaction: smell occurs with airborne molecules drawn into nasal cavity - Protection: against microorganisms by preventing entry and removing them - In the airways “upper” tract and “lower” tract  Upper: trachea and bronchia  Lower: bronchia and down to alveoli - When we are breathing, we are breathing air that is not saturated with wa
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