When we decide on an action or motion that we want to perform, our brain sends a signal to our muscles and tells them to pull our bones in a certain direction so that we can do that movement.
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Victor M. | Appoquinimink High School, Grade 12
When we decide on an action or motion that we want to perform, our brain sends a signal to our muscles and tells them to pull our bones in a certain direction so that we can do that movement.
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