Muscarinic acetylcholine receptors are in the cell membranes of certain organs.
Stephen David `` Steve '' Roach -LRB- born 24 April 1962 in Sydney -RRB- , nicknamed Blocker or Blocker Roach , is an Australian former rugby league prop forward of the 1980s and early 1990s .. Sydney. Sydney. rugby league. rugby league. prop forward. Rugby league positions#prop forwards. He made thirty-nine representative appearances for the Australian national team in Tests , World Cup and New South Wales State of Origin matches between 1985 and 1991 .. New South Wales. New South Wales state rugby league team. Australian national team. Australia national rugby league team. World Cup. Rugby League World Cup. His football career was followed by a period as a commentator .