#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"
  part:  muscular_tissue  ligament  tendon
  part of:  musculoskeletal_system
  subtype:  midriff__diaphragm  (anatomy) a muscular partition separating the abdominal and thoracic cavities; functions in respiration
  subtype:  esophagus__esophagu__oesophagus__gorge__gullet  the passage between the pharynx and the stomach

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