Join the adventure of a lifetime as you explore the amazing world of your muscles and how they heal. Meet the brave warriors who defend your body from invaders, the clever builders who repair your tissues, and the friendly helpers who soothe your pain. Whether you have a sprain, a strain, or a tear, you will learn how your body works hard to make you feel better. This book is not only for kids, but also for grown-ups who want to know more about the science of healing. It's a fun and fascinating way to inspire anyone who is sick or injured to recover soon.