Blood vessel carrying blood to the walls of the heart.
Coronary artery
Aorta
Pulmonary artery
Pulmonary vein
This artery branches off from the aorta and carries oxygenated blood to the muscles of the heart
The blood vessel which carries oxygenated blood from the lungs to the heart is : (a) main artery (b) pulmonary artery (c) main vein (d) pulmonary vein
Veins and arteries carry blood. Which of these carry blood : (a) away from the heart ? (b) back to the heart ?