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Respiratory systems
N/A
23
Anatomy
Undergraduate 1
01/25/2009

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Cards

Term
incurrent aperture
Definition
in some species forms a well-define siphon
brings water in
Term
gills (ctenidium)
Definition
site for gas exchange
Term
excurrent aperture
Definition
dumps waste-rich water into environment
Term
lamellae
Definition
folds of the gills
Term
ctenidial filaments
Definition
verticle tubes that make up the gills
Term
gill chamber
Definition
between the internal and ecternal gill slits
Term
gill arches
Definition
cartilaginous, incomplete rings that provide support to the gills
Term
gill rakers
Definition
serve to filter water and propel incoming food particles toward the esophagus
Term
demibranch
Definition
single lamella
Term
holobranch
Definition
pair of filaments
Term
operculum
Definition
covers the gills in cartilaginous fish
Term
tracheal system
Definition
air enters the body through spiracles
Term
spiracles
Definition
openings in the exoskeleton
Term
tracheoles
Definition
special cells which serve as the site of gas exchange
Term
taenidia
Definition
reinforces the tracheal tube
extend through the wall of the trachea
Term
air sacs
Definition
serve as air reserve regions
do not participate in gas exchange
Term
larynx
Definition
located at the top of the trachea
comprised of 2 types of cartilages (thyroid and cricoid)
Term
bronchi
Definition
branch off the trachea to each lung
Term
tidal volume (TV)
Definition
the volume of air inhaled and exhaled with each resting breath
Term
expiratory reserve volume (ERV)
Definition
the amount of air that can be forcibly exhaled after a normal exhalation
Term
vital capacity (VC)
Definition
the maximum amount of air that can be moved into and out of the lungs
Term
minute respiratory volume (MRV)
Definition
the amount of air moved into and out of the lungs each minute
Term
inspiratory respiratory volume (IRV)
Definition
the amount of air that can be forcibly inhaled after a normal inhalation
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