The ear canal functions as an entryway for sound waves, which get propelled toward the tympanic membrane, known as the eardrum. When sounds enter the middle ear, they are transmitted to tiny bones called the ossicles, which consist of the stapes, the incus, and the malleus. Sounds are later carried (in the form of waves) to the inner ear.
The Great Lakes are bordered by the United States and Canada. The  two regions bordering the Great Lakes are the Central and  Northeast. Edit. Share to: Answered.
1 Laurentian Upland (area labeled 1) - part of the Canadian Shield that extends into the northern United States Great Lakes area. 2  Atlantic Plain (2 and 3) - the coastal regions of the eastern and southern parts includes the continental shelf, the Atlantic Coast and the Gulf Coast. Interior Plains (11-13) - part of the interior contentintal United States, it includes much of what is called the Great Plains. 2  Interior Highlands (14 and 15)- also part of the interior contentintal United States, this division includes the Ozark Plateau.