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Physics 8 Online
OpenStudy (anonymous):

what is the relationship between muscles and bones.

OpenStudy (anonymous):

a muscle is attached into at least two bones. when you need to life something your brains tell at least 1 muscle to contract in order to pull one bone closer to the other bone that the muscle is attached to http://www.google.fi/url?sa=i&rct=j&q=muscle+contraction&source=images&cd=&cad=rja&docid=insuyli-L1DSXM&tbnid=7VEMXEF-nnw_DM:&ved=0CAUQjRw&url=http%3A%2F%2Ffaculty.stcc.edu%2FAandP%2FAP%2FAP1pages%2FUnits5to9%2Funit9%2Ftypesof.htm&ei=B1ZuUZPhKOqu4QS8m4DoCQ&bvm=bv.45368065,d.bGE&psig=AFQjCNELPOySXZmSUMohzeEqDXdFLmoDeA&ust=1366271872723784 hope i helped!

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