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.
Your blood contains many different types of cells. Red blood cells carry oxygen to all the parts of your body. Platelets stop bleeding by helping with blood clotting. White blood cells, known as leukocytes (LUKE-oh-sites), make up the immune system portion of the blood. Leukocytes are divided into three main groups: Granulocytes â cells which contain granules which contain chemicals that are used to kill bacteria and viruses.