respiratory system Flashcards

1
Q

3 functions of respiratory system

A

gas exchange
sound production
temp regulation

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2
Q

respiratory passageways

A

nasal cavity - preferred pathway, warms and filters breath
oral cavity - alternate route
palate - seperates nose from mouth.
hard palate - made up of maxillary bone
soft palate - uvula
pharynx - throat where food, air and liquid mix
larynx - sound production
trachea - windpipe
bronchial tree
lungs - R lung has 3 lobs, L lung has 2 lobs

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3
Q

tissue layers

A

tunica mucosa - mucous coated epithelial layer
tela submucose - LCT superficial to epithelial layer
tunica media - connective tissue
tunica adventitia - DICT outer layer

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4
Q

anatomy of larynx ( voice box )

A

thyroid cartilage - hyline cartilage
cricoid cartilage - hyline cartilage
arytenoid cartilage - hyline cartilage
epiglottis - elastic cartilage

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5
Q

sound production is

A

created by larynx

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6
Q

the trachea

A

consists of a U shapes ring made of hyline cartilage. tissue is ciliated pseudostratified columnar epirhelium

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7
Q

bronchial tree

A
principal or main bronchi - going into L & R lung
lobar brochi 
segmental bronchi 
bronchioles
alvolar ducts
alveolar sacs - bumch of avleoli
alveoli - single avleoli
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8
Q

associations with cardiovascular system

A

pulmonary arteries - deoxygenated blood from the heart
pulmonary cappillaries - site of gas exchange and surround alveolar sac
pulmonary venules - oxygenated blood back to heart

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9
Q

respiratory trace - inhale

exhale is backwards

A
nasal cavity 
oral cavity 
pharyna
larynx
trachea 
principal or main bronchi 
lobar bronchi 
segmental bronchi 
bronchiole
alveolar duct
alveolar sac 
alveoli
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10
Q

site of gas exchange

A

alveoli and pulmonary capillaries

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