The mammalian gas exchange system Flashcards
1
Q
lung surfactant
A
a special phospholipid that coats the alveoli and prevents them from collapsing
2
Q
breathing (ventilation)
A
the process in which physical movements of the chest change the pressure so that air is moved in or out of the lungs
3
Q
inhalation
A
breathing in
4
Q
exhalation
A
breathing out
5
Q
pathogens
A
microorganisms that cause disease
