Read more about causes of Metastatic cancer. More information about causes of Metastatic cancer: 1  Metastatic cancer as a complication caused by other conditions. 2  Metastatic cancer as a symptom.
When your heart's left ventricle (one of the four chambers of the heart) pumps blood into the aorta (the largest artery in the body), the first muscle to receive the oxygen-rich blood is your heart itself. It receives this blood through the coronary arteries on the surface of the heart.
The pump on the left hand side receives oxygen-rich blood and then pumps it out into the arteries to deliver its oxygen around the body. Blood in need of oxygen enters heart Blood in need of oxygen from around the body travels in the veins to the heart.