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MANUAL OF NATURE 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. The Nervous System . 
(a) General character of nervous stimuli, 
need of a coordinating process in the 
body. 
(( b ) 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. 
(i 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. The Voice . How Produced. 
(a) Structure and function of the larynx; 
its parts, nervous control of the voice, 
cultivation and care. 
