25 Respiratory system

25 Respiratory system - Biology141 (Physiology) 4/6/08 1:06...

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4/6/08 1:06 AM Biology141 (Physiology) Page 1 of 4 https://courses.bio.psu.edu/spring2008/biol141/Lecture%2025(2008).htm Biology141 (Physiology) Lecture 25 M. Whim INTRODUCTION TO THE RESPIRATORY SYSTEM [1]. BACKGROUND. respiration involves: (a). Ventilation. (b). Gas exchange. between the air and the blood (lungs) and…. between the blood and tissues. what gases are exchanged? why does gas exchange occur rapidly? (c). Oxygen utilization. why do we need to breath? [2]. STRUCTURE OF THE RESPIRATORY SYSTEM. the air passages of the respiratory system contain 2 zones: (a). Conducting zone. regions through which the air moves to get to the respiratory zone. what structures form the conducting zone?
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4/6/08 1:06 AM Biology141 (Physiology) Page 2 of 4 https://courses.bio.psu.edu/spring2008/biol141/Lecture%2025(2008).htm these structures conduct air, warm it, humidify it and clean it. how is the air cleaned?
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25 Respiratory system - Biology141 (Physiology) 4/6/08 1:06...

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