10 CONTENTS. 



engaged in Exercise as well as the Body Superiority of 

 cheerful Play and amusing Games A dull Walk the least 

 useful Exercise Influence of Mental Stimulus illustrated by 

 Examples Exercise to be proportioned to Strength Laws 

 of Exercise .....88 



CHAPTER V. 



Effects of Muscular Exercise on the principal Functions of the 

 Body explained Shampooing a Substitute for Exercise 

 Evils of deficient Exercise Best Time for taking Exercise 

 Always to be taken in the open Air Different Kinds 

 Walking Riding Dancing Gymnastics Fencing Shut- 

 tlecock Reading aloud Case illustrative of the Principles 

 of Exercise Involuntary Muscles 121 



CHAPTER VI. 



The Bones essential to Motion, and to the Security of the Vital 

 Organs The Skeleton Bones are composed of Animal and 

 of Earthy Matter The Animal Part the Seat of their Vitality 

 The Proportions between these vary at different Periods of 

 Life Vessels, Nerves, Life, Growth, and Decay of Bones 

 Advantages of their Vitality and Insensibility Their Adapta- 

 tion to contained Parts Conditions of Health Necessity of 

 Exercise- 140 



CHAPTER VII. 



Respiration Arteria? and Venous Blood Nature of Respiration 

 Structure of the Lungs Conditions required for Healthy 

 Respiration Sound original Constitution Influence of He 

 reditary Predisposition Of wholesome Food, and good Diges- 

 tion Of the free expansion of the Lungs Of exercise of the 

 Muscles and Voice Of Cheerfulness and Depression of Mind 

 Of Pure Air and Ventilation Examples of the bad effects of 

 Vitiated Air Respiration the source of Animal Heat Causes 

 of deficient Generation of Heat Removal of such Causes- 

 Direct and Indirect Exercise of the Lungs Beneficial Effects 

 of, and Rules for, Exercise Precautions to be observed in 

 Diseases of the Lungs, and in Persons predisposed to Con- 

 sumption 164 



CHAPTER VIII. 



Nervous System Structure of the Brain Its Functions 

 Connexion between the Mind and Brain Conditions of 

 Health in the Brain Hereditary Predisposition Influence 



