62 PHYSIOLOGY. 



blood ? Of what is it composed ? Where is gelatine found in the 

 animal body ? How known from the other animal principles ? What 

 does it form when dried ? Of what is glue prepared ? In what does 

 gelatine exist ? How may we account for the productions of gela- 

 tine ? What is osmazome ? What peculiar properties has it ? What 

 is mucus ? Where found, what is its use ? Are any other substances 

 found in the human body ? 



