. A treatise on anatomy, physiology, and hygiene : designed for colleges, academies, and families. organs are the Heart, Arte-ries,Veins, and Capil-la-ries. 334. The heart is placed obliquely, in the left cavity ofthe chest, between the right and left lung. Its general form 331. What is the ultimate object of the food ? 332. Of what is the bloodcomposed ? What is said of the distribution of the blood r 333. Namethe circulatory organs. 334—351. Give the aivatomy of the circulatoryorgans. 334. Describe the heart. ANATOMY OF THE CIRCULATORY ORGANS. 155 is that of an inverted cone, the base of whi
. A treatise on anatomy, physiology, and hygiene : designed for colleges, academies, and families. organs are the Heart, Arte-ries,Veins, and Capil-la-ries. 334. The heart is placed obliquely, in the left cavity ofthe chest, between the right and left lung. Its general form 331. What is the ultimate object of the food ? 332. Of what is the bloodcomposed ? What is said of the distribution of the blood r 333. Namethe circulatory organs. 334—351. Give the aivatomy of the circulatoryorgans. 334. Describe the heart. ANATOMY OF THE CIRCULATORY ORGANS. 155 is that of an inverted cone, the base of which is directedupward and backward, toward the right shoulder, while itsapex points forward to the left side, about three inches fromthe sternum to the space between the fifth and sixth ribs. Itsunder side rests upon the tendinous portion of the heart is surrounded by a sac, called the per-i-cardi-um,(heart-case.) The interior surface of this membrane secretesa watery fluid, that lubricates the exterior of the heart, andobviates friction between it and the pericardium. Fig.
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