That part of the circulatory system that supplies the heart with blood and hence oxygen, food, and the elimination of wastes.
Blood circulation through the arteries and veins of the heart muscles.
Movement of blood through the vessels of the heart, specifically from the ascending aorta to the epicardial coronary arteries to the penetrating arteries of the myocardium, the coronary arterioles, capillaries, veins, coronary sinus, and into the right atrium. A few of the small veins open directly into the atria and ventricles.