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17 Cards in this Set
- Front
- Back
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Functions of the respiratory system
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-Filtering, warming and humidifying the air
-Ventilation and gas exchange -Sound production -The sense of smell -The metabolism of hormones |
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2 Types of Respiration
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Internal
and External |
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External (PULMONARY) respiration
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The exchange of O2 and CO2 between the air in the alveoli and blood in the pulmonary capillaries
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Internal (TISSUE) respiration
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Refers to the exchange of O2 and CO2 between tissue capillaries and tissue cells
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Parts of the respiratory system
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Upper Airway and Lower Airway
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Parts of the upper airway
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Nasal Cavity
Oral Cavity Pharynx |
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Parts of the Lower airway
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Trachea
Bronchi Lungs -bronchioles -alveoli |
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Upper airway functions
Nasal Airway |
warms, filters, moistens inspired air
resonance |
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Upper airway functions
oral cavity |
articulation
resonance |
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Upper airway functions
Pharynx |
resonance
airway protection |
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hilum
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triangular depression
junction of trachea and bronchi |
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Right Bronchus
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divides into 3 secondary bronchi (one for each lobe)
which divide into 10 tertiary |
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Left Bronchus
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divides into 2 secondary bronchi
which divides into 8 tertiary |
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Mediastinum
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group of structures in the chest surrounded by loose CT
contains everything but lungs between L and R pleura |
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pleurae
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a thin covering that protects and cushions the lungs
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Right Lung
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3 lobes:
-superior -middle -inferior 2 fissures -oblique -horizontal shorter and broader due to liver |
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Left Lung
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2 lobes
-superior -inferior 1 fissure- oblique smaller due to heart |
