The marginal, anterior and ventricular arteries provide the cardiac muscle with oxygenated blood. The coronary arteries are the major vessels bringing blood to the heart muscle. The are the left and right coronary arteries, the left having a common trunk followed by the circumflex and anterior descending branches. Each of these give off side branches which bring blood and hence oxygen to the heart muscle. Coronary arteries fill during diastole.
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Supply and demand. The coronary arteries regulate the supply of blood to your heart muscle depending on how much oxygen your heart needs at the time, as indicated by: 1  The number of times your heart beats per minute (heart rate). 2  Your blood pressure. 3  The force of your heart's contractions. 4  The thickness of your heart muscle.
http://www.emedicinehealth.com/coronary_arteries_and_heart_function-health/article_em.htm
1 The right and left coronary arteries (L. corona, crown) supply the myocardium, epicardium and pacemaking tissue of the heart. 2  Both are branches of the ascending aorta and both give branches to the atria and ventricles as they run in the coronary sulcus.
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There are three major types of blood vessels: the arteries, which carry the blood away from the heart; the capillaries, which enable the actual exchange of water and chemicals between the blood and the tissues; and the veins, which carry blood from the capillaries back toward the heart.
https://en.wikipedia.org/wiki/Blood_vessel
Coronary Arteries supply the muscle of the Heart (Myocardium) with Oygenated blood. (Coronary Veins carry the deoxygenated blood away from the Heart Muscle.).
http://www.answers.com/Q/Which_blood_vessels_supply_the_heart
The heart muscle, like every other organ or tissue in your body, needs oxygen-rich blood to survive. Blood is supplied to the heart by its own vascular system, called coronary circulation. The aorta (the main blood supplier to the body) branches off into two main coronary blood vessels (also called arteries). These coronary arteries branch off into smaller arteries, which supply oxygen-rich blood to the entire heart muscle. The right coronary artery supplies blood mainly to the right side of the heart. The right side of the heart is smaller because it pumps blood only to the lungs. The left coronary artery, which branches into the left anterior descending artery and the circumflex artery, supplies blood to the left side of the heart.
http://www.texasheart.org/hic/anatomy/coroanat.cfm
Coronary Arteries. 1  The right and left coronary arteries (L. corona, crown) supply the myocardium, epicardium and pacemaking tissue of the heart. 2  Both are branches of the ascending aorta and both give branches to the atria and ventricles as they run in the coronary sulcus.
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The Right Coronary Artery. 1  The right coronary artery arises from the right aortic sinus, and then passes behind the pulmonary trunk to reach the atrioventricular (coronary) sulcus. 2  The artery gives off several branches: 3  The conus artery: this is the 1 st branch in 64% of hearts and it supplies the conus arteriosus.
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1 The left marginal artery: in 90% of hearts, the circumflex artery gives rises to this artery that ramifies down the left margin of the heart. 2  There may be an artery to the AV node as the terminal branch of the left coronary artery in 20% of hearts.
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1 Extracardiac anastomoses may connect the coronary arteries with other thoracic arteries via the pericardial arteries and arterial vasa vasorum of vessels linking the heart with the systemic and pulmonary circulations. 2  These are probably of no clinical significance however.
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what vessel that supply the heart with blood
Aorta is the vessel that supply blood to the heart. Aorta vessel supplies blood to the heart.