PART II. 



ORGANS AND FUNCTIONS OF ORGANIC LIFE. 



We have explained (page 24) that all the functions 

 of the animal body fall into two groups — one, distinctive 

 of animals, and therefore called the functions of animal 

 life; the other, possessed in common with plants, and 

 called functions of vegetative or organic life. We have 

 now treated of the distinctively animal functions. We 

 come now to treat of the functions of organic life and 

 their organs. 



These are again subdivided into two very distinct 

 groups — viz., the nutritive and the reproductive — the 

 one including all that assemblage of functions which con- 

 tribute to the conservation of the individual life; the 

 other, all that assemblage of functions which insures the 

 continuance of the species. We reproduce here, with 

 slight addition, the schedule already used on page 24: 



(( Sensation and consciousness. 

 Functions of animal life. . -j Volidon and voluntary motion 

 _ t . f tt . ,., j Nutritive \ Nutrition proper. 



Functions of vegetative life -! j Elimination. 



( Reproductive 



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