premise: The areas of studey are body fluids, homeostasis, membrane transport, membrane potentials, and the functions of the musculoskeletal, cardiovascular, respiratory, renal, endocrine, gastrointestinal, and reproductive systems.
hypothesis: One function of the cardiovascular system is to transport gases throughout the body.
hypothesis_graph_structure: One function of the cardiovascular system<>is<>to transport gases throughout the body