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.
Lake Huron is the second-largest lake in the United States, with a surface area of 23,000 square miles. Lake Huron was the first of the Great Lakes to be discovered and is the fifth largest freshwater lake in the world. Lake Huron has a volume of 850 cubic miles.