The intestine (colon or ileum) is brought to the stoma to create an artificial outlet for the gastrointestinal tract (ostomy). This allows safe removal of waste material from food digestion when a portion of the intestine is removed or needs time to heal.
Key difference: The main difference between USA and Canada is in their government. USA is a federal constitutional republic, whereas Canada is a constitutional monarchy. Further differences include geographic and climate. Canada also differs in its stance against some political and cultural aspects.
In total area, Canada is slightly larger than both the U.S. and China; however, Canada ranks fourth in land area (i.e. total area minus the area of lakes and rivers)âChina is 9,326,410 km 2 (3,600,950 sq mi) and the U.S. is 9,161,923 km 2 (3,537,438 sq mi).