What does the musculoskeletal system consist of?

The musculoskeletal system consists of bones and skeletal muscles that work together to support and protect the body. Bones provide structural support and shape, while skeletal muscles enable movement by contracting and pulling on the bones. This system is essential not only for mobility but also for maintaining posture and protecting vital organs.

In contrast, the other options do not accurately describe the components of the musculoskeletal system. Muscles and tissues related to blood circulation are part of the circulatory system, nerves and connective tissues, while essential for movement and signaling, fall under the nervous and connective tissue categories rather than the musculoskeletal system. Lastly, organs involved in digestion and nutrient absorption are part of the digestive system and do not relate to the musculoskeletal framework. Thus, the correct identification of the musculoskeletal system as composed of bones and skeletal muscles highlights its fundamental role in providing a framework for the body and facilitating movement.