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.
Beaverton, Oregon. Beaverton is a city in Washington County, in the U.S. state of Oregon. The city center is 7 miles (11 km) west of downtown Portland in the Tualatin River Valley. As of the 2010 census, the population is 89,803. This makes it the second-largest city in the county and Oregon's sixth-largest city.