MICROANATOMY

Detailed explanation-1: -The aorta is the largest artery of the body and carries blood from the heart to the circulatory system.

Detailed explanation-2: -The aorta begins at the left ventricle of the heart, extending upward into the chest to form an arch. It then continues downward into the abdomen, where it branches into the iliac arteries just above the pelvis.

Detailed explanation-3: -Descending aorta. The descending aorta is the largest part of the aorta. It arises as a continuation of the aortic arch after the branching of the left subclavian artery.

Detailed explanation-4: -The aorta is divided into four sections: The ascending aorta rises up from the heart and is about 2 inches long. The coronary arteries branch off the ascending aorta to supply the heart with blood. The aortic arch curves over the heart, giving rise to branches that bring blood to the head, neck, and arms.

Detailed explanation-5: -Why is the Aorta Important? The aorta is important because it gives the body access to the oxygen-rich blood it needs to survive. The heart itself gets oxygen from arteries that come off the ascending aorta. The head (including the brain), neck and arms get oxygen from arteries that come off the aortic arch.