160 



HEART. 



chemical substance is added, called the bile, which 

 forms a still further process in this curious manufac- 

 ture. It is then carried in its descent to the mouths 

 of innumerable little tubes, called lacteals, from a 

 Latin word signifying milk, which opening alopg in 

 the surfaces of the intestines, suck up the milky fluid, 

 into which the nutritive part of every substance we 

 eat is alike converted in a short time by the inexpli- 

 cable powers which Providence has assigned to the 

 digestive organs. It hence makes its way by other 

 vessels into the great current of the blood, by which 

 it is distributed into every nook and corner of the sys- 

 tem ; and thus, what w T e receive with our mouth, ar- 

 rives in a few hours at our fingers' ends. 



THE HEART. 



T. You now T come to a most noble part of the 

 frame — the engine by which the blood, containing 

 the nutriment, is circulated over the body. You 

 have reached what may be termed the main-spring 

 of the animal structure. " The wisdom of the Cre- 

 ator ," saith Hamburgher, " is in nothing seen more 

 gloriously than in the heart ; " though, strictly speak- 

 ing, it is difficult to pronounce what part of the sys- 

 tem is most essential ; for it all acts together as one 



