Coronary circulation is the circulation of blood in the blood vessels of the heart muscle (myocardium). The vessels that deliver oxygen-rich blood to the myocardium are known as coronary arteries. The vessels that remove the deoxygenated blood from the heart muscle are known as cardiac veins.These include the great cardiac vein, the middle cardiac vein, the small cardiac vein and the anterior cardiac veins.he vessels that remove the deoxygenated blood from the heart muscle are known as cardiac veins. These include the great cardiac vein, the middle cardiac vein, the small cardiac vein and the anterior cardiac veins.
The Marshall Plan, also known as the European Recovery Program, channeled over $13 billion to finance the economic recovery of Europe between 1948 and 1951.
Truman signs Marshall Plan. On April 3, 1948, U.S. President Harry S. Truman signs into law the Foreign Assistance Act, commonly known as the Marshall Plan. Named after U.S. Secretary of State George C. Marshall, the program channeled more than $13 billion in aid to Europe between 1948 and 1951.Meant to spark economic...n this day in 1948, President Harry S. Truman signs the Economic Assistance Act, which authorized the creation of a program that would help the nations of Europe recover and rebuild after the devastation wrought by World War II.