Includes index.

Human body systems -- What is the muscular system? -- Muscular system features -- How does the muscular system work? -- The head and neck -- The chest, back, and abdomen -- Arms and hands -- Legs and feet -- Keeping healthy -- Timeline -- Working together -- Careers -- The muscular system quiz.

"Muscular System guides readers through the fascinating inner workings of the human body. The human body contains several complex systems that work closely together to support life and allow the body to function properly. Muscular System explores the characteristics and interactions of this system, its makeup, and its importance"--

Grades 4 to 6.