Liver diseases of some kind affect one in ten Americans. End stage liver disease is the seventh most common cause of death in those between the ages of 25 and 65. The liver is a vital organ and a robust one, a healthy liver being able to regenerate itself if damaged, unlike many other organs of the body.
The Great Wall is a series of stone and earthen fortifications in China, built, rebuilt, and maintained between the 5th century BC and the 16th century to protect the northern borders of the Chinese Empire during the rule of successive dynasties.alls were being built in order to protect the Chinese empire as early as the 7th century BC. However, the collection of walls which have become known as The Great Wall of China were mainly built from 220 to 206 BC.
He destroyed walls between states and ordered the main wall along the northern border of the territory to be extended. Later dynasties repaired and rebuilt the Great Wall of China along the northern border to continue to deter those northern tribes from raiding.Because the walls were built of mud, gravel, and wood, repairs were often necessary.The wall that is seen today was mainly built by the Ming Dynasty in the 1400's B.C. Most of the artisans from this later time used stronger elements in the construction such as bricks and stone.Better materials made for a much more permanent structure.ecause the walls were built of mud, gravel, and wood, repairs were often necessary. The wall that is seen today was mainly built by the Ming Dynasty in the 1400's B.C. Most of the artisans from this later time used stronger elements in the construction such as bricks and stone.