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.
1 Blood is the body&#39s only fluid tissue. 2  It is composed of liquid plasma and formed elements. 3  Formed elements include: 4  Erythrocytes, or red blood cells (RBCs). 5  Leukocytes, or white blood cells (WBCs). 6  Platelets. 7  Hematocrit-the percentage of RBCs out of the total blood volume.omposition of Blood. 1  Blood is the body&#39s only fluid tissue. 2  It is composed of liquid plasma and formed elements. 3  Formed elements include: 4  Erythrocytes, or red blood cells (RBCs). 5  Leukocytes, or white blood cells (WBCs). 6  Platelets.