THORAX ABDOMEN AND PELVIS

Detailed explanation-1: -There are two primary coronary arteries, the right coronary artery (RCA) and the left main coronary artery (LMCA). Both of these originate from the root of the aorta. The RCA emerges from the anterior ascending aorta and supplies blood primarily to the right atrium, right ventricle.

Detailed explanation-2: -The right and left coronary arteries supply blood to your heart. They’re the first branches off the aorta, which is the main artery in your body. These arteries and their branches supply all parts of the heart muscle with blood.

Detailed explanation-3: -Answer and Explanation: The first vessels to receive blood after it enters the aorta from the heart through the aortic valve are the coronary arteries. The coronary arteries are branches off the ascending aorta and serve to supply the heart muscle with blood.

Detailed explanation-4: -The first branches off of the aorta, which carry freshly oxygenated blood, are the right and left coronary arteries that feed the heart muscle itself. 2. Branches of the coronary arteries feed many capillaries of the myocardium.