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.
President Richard Nixon made great contributions to the U.S. By Moe Tarakji-guest contributor to the State Hornet The State Hornet. President Richard Nixon was greatly disliked by the general population, despite his great contributions to the American People.Nixon had an excellent domestic policy, for he was the first president to desegregate the schools in the south, something many earlier presidents were unable to do.he fact journalists hated Nixon simply made it worse for him. Harry S. Truman was the only president in history to land an atomic bomb on another nation and killed millions of innocent Japanese. John F. Kennedy got the U.S. into the Vietnam War and almost got his country into a Third World War with his foreign policy.