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.
Welcome to the Town of Phenix! The Phenix community is a small town in Charlotte County, Virginia. Charlotte County is located in the central/southside part of Virginia. Visitors find Phenix's citizens to be friendly and helpful. Our folks epitomize Southern hospitality.
Northumberland County is a county located in the Commonwealth of Virginia. As of the 2010 census, the population was 12,330. Its county seat is Heathsville. The county is located on the Northern Neck and is part of the Northern Neck George Washington Birthplace AVA winemaking appellation.he area was occupied at the time of English settlement by the Algonquian-speaking historic tribes of the Wicocomico and Chickacoan. The county was created by the Virginia General Assembly in 1648 during a period of rapid population growth and geographic expansion.