phrenic nerve
nerve that activates the diaphragm
palate
floor of the nasal cavity
esophagus
food ans fluid passageway inferior to the laryngopharynx
larynx
contains the vocal cords
trachea
the part of the conducting pathway between the larynx and the primary bronchi
epiglottis
flaps over the glottis during swallowing
parietal pleura
pleural layer lining the walls of the thorax
alveolus
site from which oxygen enters the pulmonary blood
glottis
opening between the vocal folds
concha
increases air turbulence in the nasal cavity
elastic connective tissue
allows the lungs to expand and deflate during external respiration
external respiration
gas exchange to and from the blood in the lungs
internal respiration
gas exchange to and from the capillaries of the systemic circulation
cilia
push mucus and dust off the lungs
goblet cells
produce mucus
thyroid cartilage
forms the Adam's apple
warm, filter and humidify
3 functions of the nasal cavity mucosa
cartilage c rings
reinforce the trachea
apex of lung
located behind the clavicle
medulla and pons
contain respiratory centers that control breathing