Which of the following best describes ligaments?

Ligaments are an essential component of the musculoskeletal system, primarily functioning to bind bone to bone and hold organs in place. They are tough, flexible bands of connective tissue that provide stability to joints by connecting the ends of bones together. This connection is crucial for maintaining the integrity of the skeletal structure during movement and protecting joints from excessive motion that could lead to injuries.

The other options describe different anatomical structures or functions. For instance, tendons, not ligaments, connect muscles to bones. While cartilage provides cushioning and stability within joints, it is distinct from the role of ligaments. Additionally, energy for muscle movement is sourced from metabolism rather than the function of ligaments. Therefore, selecting the description that accurately captures the role of ligaments in the body is essential for a comprehensive understanding of human anatomy and physiology.