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13 Cards in this Set
- Front
- Back
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Upper Respiratory System
Nose Structure/Function |
Filters and warms air
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Upper Respiratory System
Vibrissae Structure/Function |
Thick hairs found inside nostrils st the entrance of nares.
Airborne particulate barrier. |
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Upper Respiratory System
Pharynx Structure/Function |
Nasopharynx - pseudostratified ciliated columnar epithelial
Oropharynx - stratified squamous moist Laryngopharynx - pseudostratified ciliated columnar epithelial Part of the digestive system and respiratory system; important in vocalization. |
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Upper Respiratory System
Larynx Structure/Function |
Larynx - stratified squamous moist
9 cartilages -3 paired -3 unpaired Production of sound - vocal folds |
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Upper Respiratory System
Glottis Structure/Function |
Slit opening into the larynx and trachea so air can pass through
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Upper Respiratory System
Trachea Structure/Function |
Windpipe - C-shaped cartilages connected by trachealis muscle on dorsal side
Prevents collapse of trachea. |
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Lower Respiratory System
Primary Bronchi Structure/Function |
2 Primary Bronchi, 1/ lung
Same structure as Trachea: -Irregular rings of cartilage are spaced on the Bronchi, smooth muscle is present continuously around the bronchi. pseudostratified ciliated columnar epithelial Conducts air into the lungs |
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Lower Respiratory System
Primary, Secondary and Tertiary Bronchi, Bronchioles Structure/Function |
Series of tubes of decreasing size terminating at Alveoli where the exchange of resp. gases takes place.
With the purpose of conducting air to alveoli from Trachea and back out, Structure Strategies: -Cell Type: pseudostratified ciliated columnar epithelial to simple columnar epithelial to simple cuboidal epithelial to simple squamous epithelial Cartilage Strategy: Cartilage is at the most in Primary Bronchi w/ smooth muscle, it is reduced as the size of the tube decrease. As this occurs, the amount of muscle increases. |
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Lower Respiratory System
Alveoli Structure/Function |
Functional Unit of Lung
Site of exchange of rsp. gases simple squamous epithelial stretchy so that they can expand and contract with inhalation and exhalation |
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Lower Respiratory System
Septal Cells Structure/Function |
In alvelous
produce surfactant to reduce surface tension on alveoli to prevent collapse, facilitate recruitment of collapsed airways and increase pulmonary compliance |
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Lower Respiratory System
Alveolar Macrophages Structure/Function |
destroy foreign material, such as bacteria
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Pleura - Pleural Membrane
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One of the three serosa membranes
2 layers: 1- Parietal Pleural Membrane - Attached to thoracic cavity ---separated by Pleural (potential) Cavity w/ Pleural Fluid : Keeps lungs inflated 2- Visceral Pleural Membrane - Attached to lungs |
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Lungs - Lobulated
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Left - 2 lobes
Right - 3 lobes |
