The pleura is a thin membrane that lines the surface of the lungs and the inside of the chest wall outside the lungs. In pleural effusions, fluid builds up in the space between the layers of pleura.
Major Landform regions of Australia See also. The Australian continent is broadly divided into 4 major landform regions, each of which is comprised of smaller-scale constituent landform regions-eastern highlands, central lowlands, western plateau and the coastal plains.he lowest point on the Australian continent, Lake Eyre, is also situated in this region. It also includes inselbergs such as Uluru and Kata Tjuta. About 38 % of the Australian continent is less than 200 m above sea level (so far), much of it in the Central lowlands.
Covering a total area of 3,269,600 square miles, Australia is the smallest continent in the world. The continent comprises the mainland of Australia and proximate islands including Tasmania, New Guinea, the Aru Islands and Raja Ampat Islands.The estimated population of the continent (including population of Australia, Papua New Guinea and the Papua and West Papua provinces of Indonesia) 32,000,000.Also called Oceania, Australia is the lowest-lying human-inhabited continent on Earth.Australia, Papua New Guinea and portions of Indonesia are the three countries that make up the continent. Geologically, the continent extends to the edge of the continental shelf.he Australia Continent Map shows the countries and their capitals, major cities, rivers lakes, road networks, state and country boundaries. Mt. Wilhelm in Papua New Guinea is the highest point in Australia; it stands at a height of 4,509 meters.