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Science
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The bones and muscles
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Edad 8-10
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level: Grade 3
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English
Instrucciones del autor
Some bones have to be recognized. The movement of muscles on which one contracts and which one relaxes when your arm moves.
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Science
-
The bones and muscles
-
Edad 8-10
-
level: Grade 3
-
English
Instrucciones del autor
Some bones have to be recognized. The movement of muscles on which one contracts and which one relaxes when your arm moves.