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Respiratory System
Physiology flashcards for the respiratory system
12
Physiology
Undergraduate 3
07/25/2012

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Cards

Term
Nose, nasal cavity, sinuses, and pharynx are part of the upper or lower respiratory tract?
Definition
Upper
Term
Larynx, trachea, bronchial tree, and lungs are part of the upper or lower respiratory tract?
Definition
Lower
Term
List the branching of the bronchial tree.
Definition
1. Larynx
2. Trachea
3. Carina
4. Primary bronchi
5. Secondary bronchi
6. Tertiary bronchi
7. Terminal bronchi
8. Respiratory bronchi
9. Alveolar ducts
10. Alveolar sacs
11. Alveolus
Term
What are the primary functions of the respiratory system?
Definition
1. Supply oxygen for aerobic respiration.
2. Eliminate carbon dioxide as metabolic waste.
Term
Tidal Volume (TV)
Definition
Amount of air inhaled or exhaled in one breath. 500mL
Term
Inspiratory Reserve Volume (IRV)
Definition
Amount of air forcibly inhaled after tidal volume. 3000mL
Term
Expiratory Reserve Volume (ERV)
Definition
Amount of air forcibly exhaled after tidal volume. 1200mL
Term
Residual Volume (RV)
Definition
Amount of air remaining in lungs after ERV. 1200mL
Term
Vital Capacity (VC)
Definition
Amount of air exhaled at maximum effort after inhaled at maximum effort. TV+IRV+ERV = 4700mL
Term
Inspiratory Capacity (IC)
Definition
Amount of air that can be inhaled after maximum exhaled. TV+IRV = 3500mL
Term
Functional Residual Capacity (FRC)
Definition
Amount of air remaining after a normal exhale. (RV+ERV) = 2400mL
Term
Total Lung Capacity (TLC)
Definition
Total amount of air the lungs can contain. (VC + RV) = 5900mL
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