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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
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
Respiratory Tract Lining composed of:
-surface layer of ______
-deeper layer of ___ ____
-also contains:
_______
_____ ______
epithelium
connective tissue
cartilage
smooth muscle
Respiratory Epithelium (pseudostratified):
composed of:
- ___ ____
- ___ ____
- __ ____
goblet(mucus)cells
ciliated cells
stem cells
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
Components of Nasal Cavity(1):
-(looks like conch cells) ____ incoming air
- ___ ____: ___ particulate matter from incoming air
conchae warm

nasal hairs filter
Components of Nasal Cavity(2):
___ ____: _____ incoming air with mucus secretions
mucous glands

moisten
a chamber shared by the digestive and respiratory systems
pharynx (extends from nasal cavity to entrances of larynx and esophagus)
Divisions of Pharynx(throat):
-_____:posterior to the ___ ___
-_____: posterior to the ___ ____
- ______: posterior to the ____
nasopharynx: nasal cavity
oropharynx: oral cavity
laryngopharynx: larynx
The Larynx "voice box"(1):
-___ ____: attachment site for the ___ ___
-___ ____: signet ring, hyaline
thyroid cartilage: vocal cords

cricoid cartilage
The Larynx (2):
- ____ _____:attachment sit for the ___ ____ "jug"
- ______: ____ entry of ___ and ____
arytenoid cartilage: vocal cords
epiglottis: prevents, food and liquids
The Glottis:
the ___ ____
-must be ___ to ___
-must be ___ to ___
vocal cords
open to breathe
closed to speak
The Trachea contains 15 to 20 _____ ____
cartilage rings (hyaline)
(a series of tubes decreasing in diameter)
- __ ____:supplies a ____
- __ ____:supplies a ____
Bronchi
primary bronchi:lung
secondary bronchi:lobe of lung
Primary bronchi branch into ___ ____: each one supplies a ____ _____ of a lobe
terciary bronchi: bonchopulmonary segment
the walls of 1,2,3 bronchi contain progressively ___ _____ and ___ ___ _____
less cartialge

more smooth muscle
Bronchioles: each 3* bonchus branches into multiple bronchioles
-have no ______ in the lamin propria
cartilage
bronchioles gives rise to _____ where __ ____ takes place
alveoli

gas exchange
The Alveolus: its connective tissue layer is composed of ______ and ____ _____
capillaries

elastic faibers
Alveolar Epithelium (simple squamous):
-"very flat" cells
-produce ______
type I cells
type II cells: surfactant
reduces surface tension
surfactant
3 Components of Respiratory Membrane:
-squamous ____ _____ (type I)
-____ ____ lining a capillary
-thin layer of ___ ____ between these two cells
epithelial cells
endothelial cell
connective tissue