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22 Cards in this Set
- Front
- Back
each lung is surrounded by a ___ ___
the inferior portion of each lung rests on the _____ the superior portion extends above the _____ |
pleural sac
diaphragm clavicle |
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Fuctions of Respiratory System:
1. ___ ___ to and from alveoli in the lungs 2. provide a __ ___ ____ between air and blood 3. produce ____ 4. participates in ______ |
move air
gas echange surface sounds olfaction |
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Respiratory Tract Lining composed of:
-surface layer of ______ -deeper layer of ___ ____ -also contains: _______ _____ ______ |
epithelium
connective tissue cartilage smooth muscle |
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Respiratory Epithelium (pseudostratified):
composed of: - ___ ____ - ___ ____ - __ ____ |
goblet(mucus)cells
ciliated cells stem cells |
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Respiratory Epithelium(2):
____ from goblet cells _____ inhaled debri _____ of ciliated cells ___ mucus and debri towards oropharynx stem cells ___ and ____ old goblet and ciliated cells |
mucus, catches
cilia, move divide and replace |
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Components of Nasal Cavity(1):
-(looks like conch cells) ____ incoming air - ___ ____: ___ particulate matter from incoming air |
conchae warm
nasal hairs filter |
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Components of Nasal Cavity(2):
___ ____: _____ incoming air with mucus secretions |
mucous glands
moisten |
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a chamber shared by the digestive and respiratory systems
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pharynx (extends from nasal cavity to entrances of larynx and esophagus)
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Divisions of Pharynx(throat):
-_____:posterior to the ___ ___ -_____: posterior to the ___ ____ - ______: posterior to the ____ |
nasopharynx: nasal cavity
oropharynx: oral cavity laryngopharynx: larynx |
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The Larynx "voice box"(1):
-___ ____: attachment site for the ___ ___ -___ ____: signet ring, hyaline |
thyroid cartilage: vocal cords
cricoid cartilage |
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The Larynx (2):
- ____ _____:attachment sit for the ___ ____ "jug" - ______: ____ entry of ___ and ____ |
arytenoid cartilage: vocal cords
epiglottis: prevents, food and liquids |
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The Glottis:
the ___ ____ -must be ___ to ___ -must be ___ to ___ |
vocal cords
open to breathe closed to speak |
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The Trachea contains 15 to 20 _____ ____
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cartilage rings (hyaline)
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(a series of tubes decreasing in diameter)
- __ ____:supplies a ____ - __ ____:supplies a ____ |
Bronchi
primary bronchi:lung secondary bronchi:lobe of lung |
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Primary bronchi branch into ___ ____: each one supplies a ____ _____ of a lobe
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terciary bronchi: bonchopulmonary segment
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the walls of 1,2,3 bronchi contain progressively ___ _____ and ___ ___ _____
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less cartialge
more smooth muscle |
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Bronchioles: each 3* bonchus branches into multiple bronchioles
-have no ______ in the lamin propria |
cartilage
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bronchioles gives rise to _____ where __ ____ takes place
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alveoli
gas exchange |
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The Alveolus: its connective tissue layer is composed of ______ and ____ _____
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capillaries
elastic faibers |
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Alveolar Epithelium (simple squamous):
-"very flat" cells -produce ______ |
type I cells
type II cells: surfactant |
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reduces surface tension
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surfactant
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3 Components of Respiratory Membrane:
-squamous ____ _____ (type I) -____ ____ lining a capillary -thin layer of ___ ____ between these two cells |
epithelial cells
endothelial cell connective tissue |