This story will help students learn about the human muscular system. They will discover the three main types of muscles: cardiac, smooth, and skeletal, each serving specific roles in the body. Students will understand the difference between voluntary muscles, which move bones and are under conscious control, and involuntary muscles, which work automatically within hollow organs. They will also learn that the cardiac muscle is essential for heart function. The story highlights the importance of muscle fibers and the role of nutrition and exercise in maintaining muscle health.