Muscles do far more than help us lift heavy things off the ground. Muscles make the heart work well and move food through the stomach. They allow us to walk, sw

Muscles do far more than help us lift heavy things off the ground. Muscles make the heart work well and move food through the stomach. They allow us to walk, sw

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

Readers will bone up on their knowledge of the human body with this enlightening text about the skeletal system. The skeleton forms framework for the entire bod

Have you ever wondered how the brain is able to control so many important things in the human body? Or how the spinal cord is structured? This volume engrosses