Sometimes bronchoscopy is used to treat lung problems. It may be done to insert a stent in an airway. An airway stent is a small tube that holds the airway open. It's used when a tumor or other condition blocks an airway. In children, the procedure most often is used to remove something blocking an airway.
Spanning the border from Minnesota into the Canadian provinces of Ontario and Manitoba, Lake of the Woods is an enormous body of water over 68 miles long, 59 miles wide, with 25,000 miles of shoreline-the world's longest lake shoreline.
I live in Traverse City, which is a on a bay in Lake Michigan. All the Great Lakes are definitely fresh water, with Lake Superior being the biggest. Lakes Huron, MIchigan, Erie, and Ontario follow. Lake Michigan is the biggest that is totally contained in the United States. Lakes Huron, Superior, Erie, and Ontario are split with Canada.