it is your aorta
I think you are talking about the Aorta.
the aorta which is located on top of the heart.
The aorta
the aorta is function of the heart
You have aorta or systemic aorta that arise from your heart. This very big artery arise from the left ventricle. You have a big pulmonary aorta, that arise from your right ventricle. The systemic aorta is the bigger than pulmonary aorta. Although both of them carry the same amount of blood.
its called the aorta
The Aorta is the biggest artery in the human body
Deoxygenated blood (from the body) enters the right atrium of the heart through the VENA CAVA; whereas, oxygenated blood (from the lungs) enters the left atrium of the heart through the PULMONARY VEIN.
Aorta.
An abnormally narrow aorta is a congenital heart defect (called coarctation of the aorta).
Aorta