Sherwood- Chapter 11

Objective:  The gas-exchanging alveoli are small, thin-walled, inflatable air sacs encircled by a jacket of pulmonary capillaries.

1.  Respiratory airways
2.  Alveolar cells
        a.  Type I
        b.  Type II
3.  Pleural sac
4.  Respiratory mechanics
        a.  atmospheric pressure
        b.  intra-alveolar pressure
        c.  intrapleural pressure
5.  Transmural pressure gradient
        a.  Boyle’s Law
6.  Pulmonary elasticity
        a.  elastic recoil
        b.  compliance
        c.  surface tension
        d.  surfactant