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Clinical Anatomy For Dummies. The tissues of the pectoral girdle need oxygen. So a complex series of arteries supplies blood flow through the shoulder, upper arm and chest area. And because the axilla includes several important lymph nodes, that lymph has to flow.
Carotid arteries are located on each side of the neck, just below the jaw line. They supply blood to the anterior (front) brain where sensory and motor function as well as speech, vision, personality and thinking reside. Two smaller arteries -- the vertebral arteries -- supply blood to the back of the brain, the cerebellum and brainstem.