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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. II. The Upper Airway: cleans and warms air . Oral Cavity: mouth brings in great
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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