My Science Library Skeletons and Exoskeletons by Julie K Lundgren Science Content Editor Shirley Duke Rourke Ecucational Media rourkeeducationalmedia com Teacher Notes available at rem4teachers com
Useful Skeletons Animals and people have skeletons to protect and support the inner workings of their bodies Muscles attach to skeletons so we can move Skeletal muscles allow us to skip jump sprint and swim 4
Skeletons give bodies shape strength and the ability to bend and twist 5
