coronary arteries
The coronary arteries.
it is ...
veins and blood vessels
Every living tissue requires blood for it's survival, so does blood vessels, great vessels even have small vessels to supply themselves and they are called as "Vasa vasorum"
The blood vessels around the brain help supply energy for your brain
Vasodilation means the widening of blood vessels that results from relaxation of the muscular walls of the vessels.
muscular vessels that connect the dorsal and ventral blood vessels.
keeps blood moving through the heart and vessels
muscular
Hernia
I guess you mean the heart?
your heart.
Blood vessels are meant for the supply of nutrients and oxygen through blood which is present inside the vessels.