A bronchus, is a passage of airway in the respiratory system that conducts air into the lungs. The first bronchi to branch from the trachea are the right main bronchus and the left main bronchus.
Sponsored Topics. Keizer ( /kaÉªzÉr/) is a city in Marion County, Oregon, United States, along the 45th parallel. It was named for Thomas Dove and John Brooks Keizer, two pioneers who arrived in the Wagon Train of 1843, and later filed donation land claims. The population was 32,203 at the 2000 census.
Washington County is one of the three main counties in the Portland Metropolitan Area in Oregon. This area to the west of Portland is the high-tech center of the state, including the cities of Hillsboro and Beaverton, as well as the corporate headquarters of Nike, Columbia Sportswear, and other well-known Oregon companies.