Oxygented blood nourishing the myocardium comes from vessels that branch off the aorta called ________.

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The vessels that supply oxygenated blood to the myocardium are called coronary arteries. These arteries branch off the aorta and encircle the heart, providing oxygen and nutrients to the heart muscle. Oxygen-poor blood leaves the heart through the pulmonary arteries to be oxygenated in the lungs. The pulmonary veins then return oxygen-rich blood back to the heart. The venae cavae are large veins that return deoxygenated blood to the heart from the body's tissues.

Oxygented Blood Nourishing the Myocardium Comes from Vessels That Branch