Elementary anatomy and physiology : for colleges, academies, and other schools . elementaryanato00hitc Year: 1869 CHAPTER FOURTH. THE CIRCULATING SYSTEM.—ANGIOLOGY, OR HISTORY OF THE ORGANS OF BLOOD CIRCULATION. DEFINITIONS AND DESCRIPTIONS. 365. The Circulatory Org this system are the Heart, Arteries, Veins, and Capil- laries, and are mainly tubes of various diameters and a hollow organ, with the double office of receiving and propel- ling the blood. 366. The Heart. —The Heart, or central engine of circulation, is located in the thorax or chest, resting by its lower surface on the dia- phrag
Elementary anatomy and physiology : for colleges, academies, and other schools . elementaryanato00hitc Year: 1869 CHAPTER FOURTH. THE CIRCULATING SYSTEM.—ANGIOLOGY, OR HISTORY OF THE ORGANS OF BLOOD CIRCULATION. DEFINITIONS AND DESCRIPTIONS. 365. The Circulatory Org this system are the Heart, Arteries, Veins, and Capil- laries, and are mainly tubes of various diameters and a hollow organ, with the double office of receiving and propel- ling the blood. 366. The Heart. —The Heart, or central engine of circulation, is located in the thorax or chest, resting by its lower surface on the dia- phragm, and somewhat to the left of the middle line of the body. It is of a conical form, made of animal muscular fiber, the fibers crossing themselves in at least three directions; and it is a singular fact that ans,—The organs composing Fig. 202. An Anterior view of the Heart in a Ver- tical Position, with its Vessels injected. 1, Eight Auricle. 2, Left Auricle. 3, Right Ventricle. 4, Left Ventricle. 5, Descend- ing Vena Cava. 6, Aorta. 7, Left Pulmo- nary Artery. 8, The Arteria lnnominata. 9, Left Primitive Carotid. 10, Left Sub- clavian Artery. 11, Anterior Cardiac Ves- sels in the Vertical Fissure. 12, Posterior Vessels from the Transverse Fissure. 13, Main Trunk of the Pulmonary Artery. 365. What are the organs used for the circulation of the blood ? 366. Give the location of the Heart.
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