#muscular_structure__musculature__muscle_system  the muscular system of an organism
  supertype:  system.body_part  a group of physiologically or anatomically related organs or parts; "the body has a system of organs for digestion"
  subtype:  midriff  esophagus
  part:  muscular_tissue  ligament  tendon
  part of:  musculoskeletal_system__musculoskeletalsystem  the system of muscles and tendons and ligaments and bones and joints and associated tissues that move the body and maintain its form
     part of:  body__organic_structure__organicstructure__physical_structure  the entire physical structure of an organism (especially an animal or human being); "he felt as if his whole body were on fire"

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