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.
The county was named in honor of General William Campbell, hero of the American Revolutionary War. Campbell County is part of the Lynchburg, VA Metropolitan Statistical Area. As of the 2010 census, the county population is 54,842. The number of residents has grown steadily in every census after 1930, and the total population has more than doubled since that time.