For example, when a nerve is pinched or compressed, it can trigger the nerve to falsely signal pain. The compression also can limit the nerveâs ability to control the muscles it serves. One of the most common places for a pinched nerve to occur is within the spine.
An interesting fact is that five of the ten largest cities in the Southern Hemisphere are in South America, two in Australia, two in Africa, and the most surprising â only one in Asia, which otherwise is the most heavily populated continent. 1. Sao Paulo / Brazil. Sao Paulo is now the largest city south of the equator.
South America is a continent located in the Western Hemisphere, mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere. It is also considered as a subcontinent of the Americas, which is the model used in Spanish-speaking nations and most of South America.outh America ranks fourth in area (after Asia, Africa, and North America) and fifth in population (after Asia, Africa, Europe, and North America). Most of the population lives near the continent's western or eastern coasts while the interior and the far south are sparsely populated.