. Elementary anatomy and physiology : for colleges, academies, and other schools . Circulating Apparatus of the Fish. 424. Accessory Hearts —Caudal Heart.—Among many fishes are found what are termed Accessory Hearts, or small muscular organs which seem to aid in the propulsion of blood through the different parts of the body. Thus, in the myxine, the portal vein is distended into a large sac, which expands and contracts alternately; and in eels there is found upon 424. What are the accessory hearts of fishes f

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Keywords: ., bookcentury1800, bookd, booksubjectanatomy, booksubjectphysiology