Lung Capillaries. 20-40. The alveolar oxygen partial pressure is lower than the atmospheric O 2 partial pressure for two reasons. 1  Firstly, as the air enters the lungs, it is humidified by the upper airway and thus the partial pressure of water vapour (47 mmHg) reduces the oxygen partial pressure to about 150 mmHg.
Sponsored Topics. Phenix is a town in Charlotte County, Virginia, United States. The population was 200 at the 2000 census. Phenix is located at 37Â°4â²51â³N 78Â°44â²50â³W / 37.08083Â°N 78.74722Â°W / 37.08083; -78.74722 (37.080841, -78.747183). According to the United States Census Bureau, the town has a total area of 1.1 square miles (3.0 kmÂ²), all of it land.
Pennington Gap is the most populous town in Lee County, Virginia, United States. The population was 1,781 at the 2000 census. The Lee Regional Medical Center was in Pennington Gap until it closed in October 2013, and the United States Penitentiary, Lee is nearby. The Pennington Gap post office was established in 1891.