Human physiology (Volume 2) . e ofthe heart, must makethe circuit through thelungs. The whole of thevessels communicatingwith the right heart,contain venous blood;those of the left side,arterial blood. If we consider theheart to be the centre,two circulations are ac-complished before theblood, setting out fromone side of the heart,performs the whole cir-cuit. One of these consists in the transmission of the blood fromthe right side of the heart, through the lungs, to the left; the otherin its transmission from the left side, along the arteries, and, bymeans of the veins, back to the right side
Human physiology (Volume 2) . e ofthe heart, must makethe circuit through thelungs. The whole of thevessels communicatingwith the right heart,contain venous blood;those of the left side,arterial blood. If we consider theheart to be the centre,two circulations are ac-complished before theblood, setting out fromone side of the heart,performs the whole cir-cuit. One of these consists in the transmission of the blood fromthe right side of the heart, through the lungs, to the left; the otherin its transmission from the left side, along the arteries, and, bymeans of the veins, back to the right side. The former of theseis called the lesser ox pulmonic, the latter the greater or systemiccirculation. The organs, by which these are effected, will requirea more detailed examination. 1. ANATOMY OF THE CIRCULATORY ORGANS. The circulatory apparatus is composed of the organs, by whichthe blood is put in motion, and along which it passes during itscircuit. a. Heart. To simplify the consideration of the subject, we shall consider. The Right and Left Hearts, separated. a, a. Vente cavse ascendens, and descondens. e, c. Right ventricle, d. Pulmonary artery,narv veins. /. Left auricle, g. Left ventricle. I The arrows indicate the course of the hlood. Right auri- e. Pulmo- , h. Aorta. 6S CIRCULATION. Fig. 155.
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Keywords: ., bookcentury1800, bookdecade1840, booksubjectphysiology, bookyear1
