Total knee replacement may be done on people, usually over 55, whose knees have been damaged by arthritis, trauma, or other destructive diseases of the joint resulting in severe limiting knee pain and significant stiffness, instability (constant giving way) and deformity (lock-knees or bowlegs) of the knee.
The Mexican government has a Federal District, which houses the federal government. The Federal District is a physical place and a territory, bordering Mexico City, which is the country's capital city. This is not counted as one of the states, and is much like the United States' District of Columbia.
Our federal government has three parts. They are the Executive, (President and about 5,000,000 workers) Legislative (Senate and House of Representatives) and Judicial (Supreme Court and lower Courts). The President of the United States administers the Executive Branch of our government.He enforces the laws that the Legislative Branch (Congress) makes.he Judicial part of our federal government includes the Supreme Court and 9 Justices. They are special judges who interpret laws according to the Constitution. These justices only hear cases that pertain to issues related to the Constitution.