In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.
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Question: It consists of two parts : " endo- " and " -orphin " ; these are short forms of the words " endogenous " and " morphine " , intended to mean " a morphine-like substance originating from within the body " .

Answer: Their name has two parts : " endo- " and " -orphin " ; these are short forms of the words " endogenous " and " morphine " .

Question: Poul Oluf Nyrup Rasmussen ( -RSB- , informally Poul Nyrup , born 15 June 1943 ) , was Prime Minister of Denmark from 25 January 1993 to 27 November 2001 and President of the Party of European Socialists ( PES ) from 2004 to 2011 .

Answer: He was the Prime Minister of Denmark from 25 January 1993 to 27 November 2001 and President of the Party of European Socialists ( PES ) from 2004 to 2011 .

Question: The parasympathetic nervous system ( PSNS ) is one of the two divisions of the autonomic nervous system ( a division of the peripheral nervous system ( PNS ) ) , the other being the sympathetic nervous system .

Answer:
The parasympathetic nervous system ( PNS or PSNS ) is part of the autonomic nervous system .