Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key


Play button


Play button




Click to flip

43 Cards in this Set

  • Front
  • Back
respiratory organs
nasus, pharynx, larynx, trachea, bronchi, lungs
respiratory processes
pulmonary ventilation via inspiration and expiration, gas removal from lungs to blood, gas movement from blood to cells, cellular respiration
framework of bone and cartilage with parts
parts of nasus
alae-inferior expansions that unite with lip
external nares-nostrils-openings to nose
bridge-superior part formed by union of nasal bones
air movement
external nares-vestibule-nasal meatuses-pharynx-larynx-trachea-bronchi- secondary bronchi- tertiary bronchi-bronchioles-terminal bronchioles-respiratory bronchioles-alveolar ducts-alveolar sacs-alveoli
meati or meatuses
groove like passageways in nasal cavities, formed by mucous membrane over conchae
types of conchae
superior and middle conchae are formed by ethmoid bone, inferior conchae by two separate bones
nasal septum
separates nasal cavities, comprised of cartilage posterior and inferior plate of the vomer bone, perpendicular plate of the ethmoid bone (posterior and superior)
hard palate
separates nasal and oral cavities, horizontal plates of two palatine bones, palatine processes of two maxillae
olfactory receptors
responsible for sense of smell, in upper portion of the nose
mucus membranes
in nasal cavities, contain pseudostratified ciliated columnar cells, many goblet cells, and many capillaries.
air conditioning in the meati
air is warmed by blood in capillaries, moistened by mucus membrane, cleaned by mucus and cilia
nasolacrimal ducts
drain tears from lacrimal ducts into nasal cavity, tears help to moisten air
paranasal sinuses
help to condition and resonate sounds, frontal, maxillary, ethmoidal, sphenoidal
internal nares
choanae, allow air to move into nasopharynx
tube, 5" long, skeletal muscles and mucus membrane, nasopharynx, oropharynx, and laryngopharynx
lies over soft palate, with uvula, receives Eustachian Tubes, contains the pharyngeal tonsils
Eustachian Tubes
auditory or pharyngotympanic, open into middle ear, open by swallowing or yawning, helps to equalize air pressure on ear drum
extends form soft palate to level of hyoid bone, receives fauces, contains palatine and lingual tonsils
opening to oral cavity
extends downward from level of hyoid bone, empties into esophagus posteriorly and larynx and trachea anterirorly
study of diseases of ear, nose, and throat
voice box, functions to keep fluids and solids out via valve and cough effect, regulates airflow, framework for ligament and muscle attachment, connects pharynx to trachea and make sounds
three single cartilage in larynx
thyroid cartilage-Adam's Apple, epiglottic, cricoid
three paired cartilages in larynx
arytenoid=pyramidal, corniculated=horn shaped
mucus membrane lining of larynx
two pairs of folds, ventricular, upper and vestibular or false vocal cords, true lower or just vocal cords, stretch from arytenoids to tyroid cartilage
vocal cords
make sound, intrinsic skeletal muscle, pull on cartilage which stretch cords around glottis, air forced through narrow glottis, high tension=high pitch, high pressure, louder sound
windpipe, passageway for air, cilia move mucus up to glottis, anterior to esophagus, extends form larynx to 5th thoracic vertebrae divides into right and left primary bronchi
trachea structure
wall supprted by c-cartilage(16-20 horizontal incomplete rings) of hyaline cartilage, open part with trachealis, esophagus expands into trachea, C's support walls so they do not collapse
smooth muscle aspect of trachea in opening of c-cartilage
trachea terminates and divides into, right vertical shorter with greater diameter, both contain c's of cartilage, linings of ciliated epithelium,
ridge marking separation of two bronchi
secondary (lobar) bronchi
have c's of cartilage, one for each lobe of lung, 3 right, 2 left
tertiary (segmental) bronchi
one for each bronchopulmonary segment, 10/lung
bronchiole trends
decrease in cartilage, smooth muscle increases, diameter decrease, increase # of tubes, pseudostratified ciliated to simple cuboidal to simple squamous
site of air exchange in lungs
type I alveolar
simple squamous epithelial cells
type II alveolar
septal cells, produce surfactant
phospholipid whihc lowers surface tension of moisture in sac
alveolar macrophages
dust cells, highly phagocytic
respiratory membrane
epithelial cells, basement membrane, endothelial cells of capillaries
atmospheric (ambient) 21 % O2, 0.04% CO2, expired air 16% O2, 4% CO2