Definition. Thoracic surgery is the repair of organs located in the thorax, or chest. The thoracic cavity lies between the neck and the diaphragm, and contains the heart and lungs (cardiopulmonary system), the esophagus, trachea, pleura, mediastinum, chest wall, and diaphragm.
If youâre reading this, chances are you switched on a light. But for the 1.3 billion people around the world who lack access to electricity, darkness is a reality. There is no electric light for children to do their homework by, no power to run refrigerators that keep perishables or needed medicine cold, no power for cooking stoves or microwaves.
Using data from the World Energy Council we can compare how much electricity the average electrified household uses in different countries. Across the countries we chose to compare household electricity use varies enormously.The average American or Canadian household in 2010 used about twenty times more than the typical Nigerian household, and two to three times more than a typical European home.verage Household Electricity Use. About 80% of people in the world have access to electricity. This figure has increased in the last decade, mainly due to increasing urbanization. But despite the fact that more and more people are getting access to electricity we use very different amounts of it.