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.
Richard Nixon (right) meets with Mao Zedong in 1972. The phrase Nixon goes to China , Nixon to China , or Nixon in China is a historical reference to United States President Richard Nixon 's 1972 visit to the People's Republic of China, where he met with Chairman Mao Zedong.The metaphor is often expressed as the observation  Only Nixon could go to China  or . Author and historian Zachary Karabell compared U.S. President Chester Arthur reforming the civil service system (in the early 1880s) to Nixon going to China, since Arthur himself was a product of the spoils system and yet he was the one who helped get rid of it (with the Pendleton Act).