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.
Nauru is located in the southwestern Pacific Ocean, situated to the south of the Marshall Islands in the Pacific region of Oceania. It is the smallest republic in the world with only 21 square km of total land area. An oval shaped island, it is located 42 km south of the equator.