Which of the following statements best describes the musculoskeletal system?

The musculoskeletal system is primarily responsible for providing structure, support, and movement to the body. This system includes bones, muscles, tendons, and ligaments that work together to give the body its shape and enable various forms of movement. The skeleton provides a rigid framework that supports the body, while the muscles are responsible for causing movement by contracting and pulling on the bones they are attached to. This cohesive functioning allows for activities ranging from simple actions like walking and running to complex actions like dancing or playing sports.

In contrast, the other options describe different bodily systems. The first option pertains to the circulatory system, which is responsible for transporting blood containing oxygen and nutrients throughout the body as well as removing waste products. The second option refers to the nervous system, which controls both voluntary movements (like waving your hand) and involuntary functions (like heart rate and digestion). Lastly, the fourth option describes the respiratory system, which is responsible for taking in oxygen and delivering it to the blood for distribution throughout the body.

Understanding the distinct roles of these body systems clarifies why the statement about the musculoskeletal system providing shape and assisting with movement is accurate and comprehensive.