Diagram of the circulation of the blood

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R.A., right auricle; L.A., left auricle; R.V., right ventricle; L.V., left ventricle; P.A.A, pulmonary artery and vein of right lung; B, pulmonary artery and vein of left lung; C, carotid artery to head, showing branch of left subclavian artery; D, portal vein; F, hepatic artery; G, superior vena cava, bringing blood from head and upper limbs to right auricle.” — Blaisedell, 1904


Albert F. Blaisedell Our bodies and How We Live (Boston: Ginn &, 1904) 149


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