The upper chambers are called the atria respectively right and left atrium.The lower chambers in your heart are called the left ventricle and the right ventricle. Answer: The heart is made up of four interior chambers. There are two upper and two lower chambers which create the muscle.
There's a chance it was China. Today, the U.S. has an open-trade policy with China, which means goods are traded freely between the two countries, but it wasn't always this way. On February 21, 1972, President Richard M. Nixon arrived in China for an official trip. He was the first U.S. president to visit the People's Republic of China since it was established in 1949. This was an important event because the U.S. was seeking to improve relations with a Communist country during the Cold War.
He was the first President to go to China. While In China Nixon met with then leader Mao Zedong where Nixon acknowledged the Chinese form of Government then forming peace with the Chinese and opening trade with China, who today is one of the U.S top trading partners.he things that president Lincoln and FDR and etc did are not agreed to as right by a lot of people. Your not going to find alot of people jumping to the fact that Lincoln put people in jail for no reason because he thought it was good for them.