If Time can bring you down...Time can bend your knees.... What else has time been responsible for you doing? I've been thinking there's a lot of stuff I don't really want to take full responsibility for...heh heh.
Arterial supply of the upper limb. Dr Omar Bashir et al. The arterial supply of the upper limb is derived from the subclavian artery. The right subclavian artery originates from the brachiocephalic artery, which is the first branch of the aortic arch. The left subclavian artery originates directly from the aortic arch, being the third branch.
Left Internal Carotid Artery or Middle Cerebral Artery: These arteries supply blood to much of the left side of the brain. When these arteries are blocked, symptoms might include right body weakness, trouble communicating, right body numbness and loss of vision on a portion of the right side of space. Right Internal Carotid Artery or Middle Cerebral Artery: These arteries supply blood to much of the right side of the brain.