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ANATOMY. 



tance of the chemical play of water in the living animal body, will be 

 fully illustrated, as we proceed with our account of its vital properties 

 and actions. 



The subjoined Tables (from Dalton) show the quantities of water, 

 of chloride of sodium, and of phosphate of lime, contained in 1000 

 parts of certain tissues, fluids, secretions, and excretions of the body. 

 Some of these have not yet been here described. 



The Ultimate Chemical Constituents of the Body. 



The proximate chemical constituents of the body just described, 

 whether inorganic or organic, are themselves, with the exception of 

 the oxygen and nitrogen in the blood, not simple bodies, but com- 

 pound substances formed by the union of other elementary bodies, 

 which are therefore the ultimate chemical constituents of the body. 

 For full details on this subject we must refer to Treatises on Chemis- 

 try: it will suffice here to state briefly, the chemical composition of the 

 proximate constituents of the body. 



As to the inorganic proximate constituents, their composition is 

 comparatively simple; for they are usually made up of two elementary 

 bodies, that is, they are binary compounds, such as water and salt, or 

 else they appear to be formed by the union of two or more such 



