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.
Sweden is nearly 10 million people, multiply by 1000 x her coal gas oil electricity to see how much a world of 10 billion needs. If you do that you get a world that needs 150,000 TWh of electricity. The world needs thay massive figure so as to use electricity where ever possoble instead of fossil fuels which is how sweden and norway are able to use such low levels of gas and coal. Well what is going to produce 150,000 TWh of electricity annually.