RELATIONS OF THE ORGANS TO ONE ANOTHER. 619 



diversified than we have here represented, and are of great importance in 

 the study of the processes which take place in the animal organism. It 

 is one of our most important tasks to follow these problems farther. It 

 is only when we shall have acquired as thorough a knowledge as possible 

 in this direction, that we shall be in a position to draw a clear picture of 

 the cell-metabolism and the functions of the organs. The dependence 

 of the organs upon one another is, as a rule, too little emphasized. 



