A l ook at all the amazing ways a child's body can work and move.

Discover the main systems of our amazing human body with this new series of books! Our muscular system covers our bodies from head to toe. It helps keep us upright and gives us the power to stand, sit, run, smile, and more. Did you know that your muscles make up one-third of your body weight? Or that your tongue is made up of eight separate muscles? Learn all this and more in Muscular System.

"A boy named Jack who has just broken his leg teaches his younger sister Lissa all the things he learned about bones while at the doctor's office getting his cast"-- Provided by publisher.

"Explore el sistema muscular que mantiene a las personas en movimiento, a través de texto e infografías altas/bajas"-- Provided by publisher.

"Using clever examples, vivid imagery, and clear diagrams, this fun guidebook to muscles and bones will keep readers engaged while teaching them all about how their bodies hold together, move, and grow stronger."-- Provided by publisher.