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There are muscles that you can control and muscles that you cannot control. Find out how muscles work together and why they can pull but not push. This book takes you deep inside your body to tell the inside story of muscles.

Weblinks:
www.bbc.co.uk/science/humanbody/
www.kidshealth.org/kid/body/muscles_noSW.html
www.kidshealth.org/kid/stay_healthy/fit/work_it_out.html
www.yucky.discovery.com/flash/body/pg000123.html
www.sciencenewsforkids.org/articles/20040505/Feature1.asp