Multiple Choice
Which organ system is responsible for breathing?
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22. The Respiratory System
Introduction to Lung Physiology
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Which of the following structures is part of the conducting zone of the respiratory system?
A
Bronchioles
B
Trachea
C
Pulmonary capillaries
D
Alveoli
Verified step by step guidance1
Understand the respiratory system is divided into two zones: the conducting zone and the respiratory zone.
The conducting zone is responsible for moving air into and out of the lungs, and includes structures that do not participate in gas exchange.
Identify the structures listed in the problem: Bronchioles, Trachea, Pulmonary capillaries, and Alveoli.
Recognize that the conducting zone includes the nasal cavity, pharynx, larynx, trachea, bronchi, and bronchioles, but not structures involved in gas exchange like alveoli and pulmonary capillaries.
Determine that the trachea is part of the conducting zone, as it is involved in the passage of air but not in gas exchange.
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