Tags: Anatomical Structure.
Systemic circulation is the part of the cardiovascular system which carries oxygenated blood away from the heart to the body and returns deoxygenated blood back to the heart. This physiologic theory of circulation was first described by Amato Lusitano (João Rodrigues from Castelo Branco 1511-1568) a Portuguese doctor working in Italy in his work composed by seven volumes Curationum Medicinalium Centuriæ Septem 1st. edition in 1551. He was the first to describe venous valves.
