CHAPTER VII.

ON THE CARE OF HEALTH.

Importance of some Knowledge of the Body and its Needs—Fearful

Responsibility of entering upon domestic Duties in Ignorance—The

fundamental vital Principle—Cell-life—Wonders of the

Microscope—Cell-multiplication—Constant interplay of Decay and Growth

necessary to Life—The red and white Cells of the Blood—Secreting

and converting Power—The nervous System—The Brain and the

Nerves—Structural Arrangement and Functions—The ganglionic System—The

nervous Fluid—Necessity of properly apportioned Exercise to Nerves

of Sensation and of Motion—Evils of excessive or insufficient

Exercise—Equal Development of the Whole 199

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