1 Alveoli are saclike structures that serve as the site of g

1. Alveoli are sac-like structures that serve as the site of gas exchange ______________ (True/False)

2. The outermost layer of pleura is the ____________ (parietal/visceral) pleura.

Solution

1. True

Alveoli - Allows the movement of oxygen and CO2 between lung and blood stream

2. Parietal

Pleural membrane has two layers.

Parietal - outer layer that lines rib cage and diaphragm

Visceral/pulmonary - inner layer that lines lungs