Nikolas
Created page with "The coronary circulation is the one which supplies the heart, especially the myocardium, with oxygenated and nutrient-rich arterial blood. The myocardium doesn’t receive any oxygen or nutrients from the blood which is pumped out by the heart, so it needs its own circulation. The myocardium requires a lot of oxygen, as it is contracting all the time with large force. All tissues supplied by arteries can increase the amount of oxygen they extract from the blood if neces..."