Circulatory System
Blood circulates from the upper systemic loop originating at the aortic arch, and includes: the brachiocephalic artery, left common carotid and left subclavian artery. The head and neck are emptied of blood by the subclavian vein and jugular vein.
Read more about this topic: Head And Neck
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“Each generations job is to question what parents accept on faith, to explore possibilities, and adapt the last generations system of values for a new age.”
—Frank Pittman (20th century)