1. The problem asks which two body systems work together to enable the body to move. 2. The skeletal system provides the framework and support for the body. 3. The muscular system is responsible for movement by contracting and pulling on bones. 4. Therefore, the skeletal system and muscular system work together to enable movement. 5. The other options do not primarily work together for movement: - Circulatory and digestive systems handle blood flow and nutrient absorption. - Nervous and respiratory systems handle signals and breathing. - Skeletal and integumentary systems involve bones and skin but not movement directly. 6. Final answer: B. Skeletal system and muscular system.