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Discover the intricate workings of the respiratory system, from oxygenating the blood to the exchange of gases. Learn about ventilation and respiration processes, Upper Airway functions, oral cavity, and nasal passages.
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1. The Respiratory System J. Hinson
EMS I
Ridge View High School
2. I. Introduction The respiratory system oxygenates the blood that circulates within the cardiovascular system.
Ventilation: actual movement of air into and out of the lungs.
Respiration: exchange of gases, O2 and CO2
3. II. The Upper Airway: cleans and warms air Oral Cavity: mouth brings in great volumes of air Nose: contains fine hairs called cilia that clean air as it passes through