Muscles: Our Muscular System

sku: COM9780688177201USED
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$5.35
Shipping from: Canada
Description
Don't move a muscle--read all about them! Did you know that... Without muscles you couldn't blink--or even breathe!Nearly 700 muscles control your life.Big or small, a muscle is made up of just one cell.Exercise doesn't give you more muscles, but it strengthens the ones you have.Discover how muscles make us move--and see what it really looks like under your skin.
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