sentence2_structure: the muscular and skeletal organs<>are known as<>the musculoskeletal system
sentence1: The students will learn to identify various organs and functions of the skeletal, muscular, and endocrine systems, as well as other systems of the body.
sentence2: Together, the muscular and skeletal organs are known as the musculoskeletal system.
question: Together, the muscular and skeletal organs are known as what?