Which system is involved with producing movement and providing structural support?

The musculoskeletal system is the correct choice as it is primarily responsible for producing movement and providing structural support to the body. This system consists of bones, muscles, tendons, ligaments, and cartilage, which work together to enable a wide range of motions and bear the weight of the body. The bones serve as a framework for the body, while the muscles contract to create movement at the joints. This intricate interplay allows for voluntary movements, such as walking and lifting, as well as involuntary movements, which are essential for maintaining posture and overall body stability.

In contrast, the other systems listed have different primary functions. The nervous system is mainly involved in transmitting signals throughout the body to control actions and processes, rather than directly producing movement or offering structural support. The cardiovascular system focuses on transporting blood, nutrients, and oxygen throughout the body, playing a crucial role in overall health but not in movement or structural integrity. Lastly, the respiratory system is responsible for gas exchange, allowing oxygen to enter the body and carbon dioxide to be expelled, which is vital for maintaining life but does not contribute to movement or structural support.