respiratory system structures
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34 Terms
where air is warmed and humidified
nasal cavity
what humidifies and warms air in the nasal cavity
nose hair, cillia, mucus
junction for both food and air
pharynx
food goes into…
esophogus
structure that makes sure food doesnt go into trachea
epiglottis
the voice box
larynx
cylinder tubes with rings of cartilage
trachea
the tracheas rings are made of….
cartilage
the tracheas cartilage rings help provide….
support and keeps airways open
how many lobes in the right lung
3
lung that has three lobes
right
lung with cardiac notch
left
structure that the left lung has that the right one does not
cardiac notch
which lung is slightly smaller
left
which lung has two lobes
left lung
how many lobes does the left lung have
2
smaller branches of bronchial airways
bronchioles
tiny air sacks in lungs that allow for gas exchange
alveoli
small passages in lungs that connect bronchi to alveoli
bronchioles
how many types of alveolar cells are there
2
alveolar cells that make up alveolar walls
type I alveolar cells
type 1 alvoelar cells….
make up alveolar walls
type 2 alveolar cells …
release lipoprotein called surfactant
what releases lipoprotein called surfactant
type 2 alveolar cells
substance that releases surface tension
surfactant
what are the two breathing zones
conducting zone
respiratory zone
zone that involves trachea bronchi terminal bronchi
conducting zone
conudcting zone facilitates….
passage to respiratory zone
breathing zone that does not participate in gas exchange
conducting zone
which breathing zone is known as the “anatomical dead zone”
conducting zone
what is the primary role of the conducting zone
warm humidify and filter air before it reaches deeper part of lungs
which zone is responsible for warming humidifying and filtering air before it reaches deeper part of lungs
conducting zone
breathing zone where gas exchange occurs
respiratory zone
zone that includes respiratory bronchioles alveolar ducts alveoli
respiratory zone