From Wikipedia, the free encyclopedia. The Trillion dollar club is an unofficial classification of the world's major economies with a gross domestic product (nominal GDP) of more than USD 1 trillion per year. As of 2011 it currently includes 15 countries.
1 Leukemia is a cancer that starts in blood-forming tissue, such as the bone marrow, and causes large numbers of abnormal blood cells to be produced and enter the blood.arcoma. A cancer of the bone, cartilage, fat, muscle, blood vessels, or other connective or supportive tissue. Tissue. A group of cells that act together to carry out a specific function in the body.
Four different types of tissue make up all the organs and tissues in the body. These are: 1  Epithelia-covering cells. 2  Connective tissue - 'space filling' tissue. 3  Muscle-either striated or smooth. 4  Nerves.our different types of tissue make up all the organs and tissues in the body. These are: 1  Epithelia-covering cells. 2  Connective tissue - 'space filling' tissue. 3  Muscle-either striated or smooth. 4  Nerves.