COMPLETE VERIFIED ANSWERS LATEST UPDATE
Primary function of the lungs?
Gas exchange
Role of alveolar-capillary membrane?
ventilation, perfusion, diffusion
Upper airway structures?
nasopharynx
Oropharynx
Laryngopharynx
Lower airway structure?
larynx
trachea
bronchi
bronchpulmonary segments
bronchioles
cilia
line the trachea and bronchi
Defense against invaders
cough reflex
What can cause impaired function of the cilia?
, Smoking
increased mucous production
ETOH
Temperature changes
low humidity
Alveoli
Approx. 3 million
grape like clusters of air filled sacs
gas exchange
Type 1 alveolar cell function?
gas exchange
Type 2 alveolar cell function?
surfactant
Bronchopulmonary segments of the rt lobe?
Upper, middle, and lower lobes
Bronchopulmonary segments of left lung?
Upper and lower lobe
Bronchial artery system?
supplies oxygenated blood to the lungs and pleura
Pulmonary artery system
vast network of capillaries that allow for gas exchange
pulmonary artery trunk leaves RV with unoxygenated blood
pulmonary vein carries oxygenated blood back to heart