Left circumflex
The right and left coronary arteries enter the top of the heart from the aorta.
When the Aalves close between the Ventricles and the Artery what sounfd does it make.
Heart
No. They are synonymous terms.
branch between LAD and the circumflex artery
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No. The coronary arteries are not the largest arteries. The aorta is the largest artery.
The coronary sinus runs in the posterior coronary sulcus. In the anterior coronary sulci the stems of the coronary artery run. The circumflex branch of the left and the extension of the right coronary artery that becomes the posterior descending artery run around the coronary sulcus from front to back
Left coronary artery
The semilunar valves prevent backflow of blood into the ventricles of the heart. They close to ensure that blood flows in one direction only, from the ventricles to the arteries (pulmonary artery and aorta).