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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.
Your brain needs a constant supply of fuel in the form of. oxygen and nutrients to work properly. The heart pumps. blood, which contains oxygen and nutrients, to the brain. through blood vessels called arteries. Four main arteries carry blood through your neck to your. brain. The two carotid arteriesare located at the sides of. your neck, one on each side.