HTML version
Copyright © 2001
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HTML version
Copyright © 2001 |
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Muscles and bones together work like machines within the laws of physics and chemistry. Lever and pulley systems are examples of simple machines found commonly in the human body. |
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| Primary Content Providers: The U. S. Army, The
U.S. Navy Ancillary Content and Online Version: David L. Heiserman Publisher: SweetHaven Publishing Services |
Copyright © 2002, 2004
SweetHaven Publishing Services |