Presents information about how human beings move, discussing bones and muscles, what happens when they break or get strained, and how to keep them healthy and working effectively.Being active You cannot make new muscles, but you can keep those you have healthy and strong by exercising them regularly. The more your muscles ... Your bones also weaken and your joints become stiff and do not move so easily. Exercise is ... Body builders make their muscles bigger by lifting heavy weights. If you liftanbsp;...
|Title||:||What Happens When You Move?|
|Publisher||:||The Rosen Publishing Group - 2008-08|