Things to remember. 1  Myasthenia gravis is an autoimmune disease that causes muscle weakness. 2  The symptoms are caused by the immune system interfering with the transmission of messages from the nervous system to the muscles. 3  There is no cure, but the symptoms can be managed.
Lake Nipigon is the largest inland lake in Ontario. Only the Great Lakes are larger. Lake of the Woods is actually 11% smaller even though it has a reputation for being the largest. Lake Nipigon consists of 2802 miles 2 (4510 km 2) of pristine water and dotted with hundreds of islands.
Muskegon Lake. Cities located on Muskegon Lake include Muskegon, Michigan and North Muskegon, Michigan. Major parks located along Muskegon Lake include Muskegon State Park on the north at Lake Michigan, Heritage Landing in downtown Muskegon, and Pere Marquette Park on the south at Lake Michigan.