"
Of what use are the muscles of your head?--"They cover and move the parts
of my head and face."
Of what use are the muscles of your trunk?--"They move the parts of my neck
and trunk."
Of what use are the muscles of your limbs?--"They move the parts of my arms
and legs."
How can you make your muscles strong?--"By using them."
How can you make your muscles weak?--"By not using them."
What is necessary to make your muscles strong and healthy?--"They must be
used; they must be rested when tired; they must be supplied with pure
blood."
How should the muscles be used?--"They should be exercised in work or
play."
How may they be rested?--"I may rest my muscles by changing position; by
changing my kind of work or play; or by going to sleep."
Explain what you mean by changing your position.--"If I am standing, I must
sit or lie down to rest them; if they are tired, because I have been
sitting too long, I must rest them by standing, walking, or running."
What do you mean by changing the kind of work or play?--"If, in my work or
play, my arms become tired, I must do something in which my arms may rest,
though other parts of my body may be in exercise."
How may you help supply your muscles with good blood?--"By breathing pure
air; by taking wholesome food and drink; and by living in the sunlight.
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