respiratory anatomy Flashcards
alveoli: recall the cellular layers separating alveolar air from blood, and explain how alveoli and airways resist collapse
1
Q
what are the cellular layers separating alveolar air and blood
A
1 cell thick alveolar epithelium, 1 cell thick endothelium (capillary)
2
Q
how do alveoli and airways resist collapse
A
surfactant and elastic tissue in interstitium
