Inflammation (Definition) 1  Inflammation is the body's attempt at self-protection; the aim being to remove harmful stimuli, including damaged cells, irritants, or pathogens - and begin the healing process. 2  Coccyx is the triangular piece of bone at the end of the spine.
With more than 2.2 million men currently under arms, the PLA is by far the worldâs largest military. Only the U.S. and India come close with 1.4 million and 1.3 million troops respectively [1]. North Korea and Russia round out the top five with 1.1 and 1 million-man armies.
How the U.S. Army Works. Courtesy U.S. Army. The U.S. Army is a main branch of the U.S. military. With over one million Americans serving in the Army, Army National Guard and Army Reserves, and a 2007 budget of more than $110 billion, it's one of the largest military organizations in the world. The Army's primary purpose is to protect the United States and its interests.