Flashcards in poole Deck (19):
what is the primary function of the lung?
what is critical for the maintenance of acid-base regulation within the body?
removal of CO2
O2 and CO2 move between the air and blood by what?
diffusion (from high pressure to low pressure)
the amount of gas that moves across a membrane such as the blood-gas interface in the lung is determined by what?
the mammalian lung is designed to maximize ____ while minimizing ____.
maximize: surface area
what part of the lung does gas-exchange occur?
airways that do not exchange gas are called?
conducting zone or dead space
is the respiratory zone or conducting zone bigger?
where is the mucociliary tree confined to?
non-gas exchanging regions of the lung
in pigs and cattle, the lung lobules are?
in the cat and dogs lungs, there is ?
horse lungs are?
interconnectivity in the lungs facilitate ___ and ___ the consequences of airway obsruction
the structure of the lung is supported by?
elastin and collagen
at rest, each RBC spends how much time within the pulmonary capillary?
what cells produce surfactant?
type II pneumocytes
what cells roam the the alveoli engulfing tiny particles to be filtered upstream?
what is a structural cell that makes up the cell wall in the alveolus?
type I pneumocytes