162 MANUAL Olf NATURB STUDY. 



VI. The Skin and Kidneys. 



(a) Structure and use of each. The skin as 

 an excretory organ. Modifications of 

 the skin. The kidney as an organ of 

 excretion. General view and neces- 

 sity of the kidney. 



VII. TAe Nervous System. 



(a) General character of nervous stimuli, 

 need of a coordinating process in the 

 body. 



(d) Structure and function of brain, spinal 



cord, nerves, ganglia, etc. Action of 

 each part. Divisions of the brain with 

 special reference to structure and func- 

 tion. 



(c) Reflex action, its general character. Re- 

 lation of nervous system to other pro- 

 cess of the body. 



{d) Hygiene of the nervous system, with 

 special reference to sleep, exercise, 

 morality, alcohol and narcotics. 



(e) Relation of nervous system to the mind. 



VIII. TAe Voice. How Produced. 



{a) Structure and function of the larynx; 

 its parts, nervous control of the voice, 

 cultivation and care. 



