
Your muscles can allow you to move--to run, jump, dance, and do much more. But how exactly do they work? Readers will discover the answer to this question and much more inside this book. The age-appropriate text is paired with clear, labeled diagrams to give readers a well-rounded...

Your muscles can allow you to move--to run, jump, dance, and do much more. But how exactly do they work? Readers will discover the answer to this question and much more inside this book. The age-appropriate text is paired with clear, labeled diagrams to give readers a well-rounded...