The field of medicine concerns itself with diagnosing, preventing, and treating human illnesses and injuries. Medical students learn to heal and care for sick people, using their in-depth knowledge of the human body and topics such as pharmaceuticals and surgery.

South America It is bordered on the west by the Pacific Ocean and on the north and east by the Atlantic Ocean; North America and the Caribbean Sea lie to the northwest. It includes twelve sovereign states Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador,Guyana, Paraguay, Peru, Suriname, Uruguay, and Venezuela – and two non-sovereign areas – French Guiana, an overseas territory of France, and the Falkland Islands, a British Overseas Territory. In addition to this, Trinidad and Tobago and theABC islands of the Netherlands may also be considered part of South America.