Now I'm not a biologist but I have studied this at school I would say the arteries. There appears to be more arteries than veins and capillaries in diagrams. Please correct me if I am wrong and I hoped this helped
[The single Major blood vessel in the arms is the brachial artery]
The aorta is the major blood vessel which transports blood from the heart to the rest of the body.
the heart
Aorta
Aorta
A major blood vessel in the human body.
Aorta
The major arteries that take blood away from the heart are the aorta and pulmonary arteries.
The Systemic aorta is the major blood vessel that brings back blood to heart from most body parts.
The major blood vessel that needs to be cut when removing a heart during a transplant is the aorta. It is the main artery that carries oxygen-rich blood from the heart to the rest of the body.
It is the artery that runs from the Aorta behind the collar bone. It supplies blood to the arms.
The descending aorta is the major blood vessel that supplies blood to the caudal half of a pig.
They include the radius of the blood vessel, the length of the system, and the viscosity of the blood.