ANIMAL HEAT. 



311 



What functions co-operate in the production of animal heat ? In what 

 animals is heat the greatest ? Why ? In what parts of the body is it 

 the highest ? Why ? What is the temperature of the mammalia that 

 live in water ? What effect does a change of temperature have on 

 cold-blooded animals ? Can warm-blooded animals preserve the same 

 temperature in every climate ^HHow is this effected ? What effect 

 will checking evaporation hive ? Is the faculty of generating heat 

 less in infancy % What inference do we draw from this fact ? 



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