Table 2:

Alveolar volumes and lateral surface areas, for the real lung and for the PNNL Q3D lung (FRC ∼ 2600 cc).

Generation	Volume (cc)	Real lung lateral surface area (cm2)	Q3D lung lateral surface area (cm2)	Lateral area scaling factor
16	9.209	885.9	140.6	6.30
17	14.154	1469.1	162.1	9.06
18	19.161	2117.5	166.6	12.71
19	30.554	3526	223.6	15.77
20	51.198	6033	300.7	14.9
21	92.178	10860	421.6	20.06
22	159.187	19205	623.3	30.81
23	295.936	35714	1004	35.57
24	1775.01	420323	3649	115