113226
Furthermore , the body is subdivided into a distinct , semicircular-shaped head-region and a trunk-region , and has superficially leg-like " transverse articulations " emanating from the outer borders of the undivided region .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None