The coronary arteries feed the heart.
coronary arteries
The Coronary arteries
heart attack
The blood supply that nourishes the heart is provided by the right and left coronary arteries.
The coronary artery supplies heart muscle with oxygenated and nutrient filled blood
No, the coronary arteries carry oxygen-rich blood to the heart muscle.
The heart is a pump that both circulates blood and uses it to obtain oxygen and nourishment. Circulating blood enters the Atria (top chambers), is pumped to the Ventricles (bottom chambers) and out. Every time the heart contracts or beats, this happens. Blood for nourishment enters the heart muscle via the coronary arteries, which are attached to the base of the Aorta (the vessel that leaves the Left Ventricle, and pumps blood to the body). When you have a heart attack, the heart is either quivering like a bowl of jello, or at a standstill. There is blood still in the chambers, but no pressure to push the blood into the coronary arteries. The heart muscle dies.
When blood leaves the lungs through the pulmonary veins, it returns to the heart and enters the left ventricle.
Oxygen-poor blood enters the heart through the right atrium
Oxygenated blood enters the left side of the heart (atria) via the pulmonary veins
Because your heart is also composed of living tissue, the blood vessels on the surface of the heart muscle supply oxygen and nutrient rich blood and take away waste and by-products like they would in any other part of your body.
The heart muscle is supplied with oxygenated blood by the coronary arteries. Along with the oxygenated blood, the arteries also supplies the heart muscle with nutrient-filled blood.