Internal organs (7)
(Other definitions for viscera that I've seen before include "Guts" , "organs inside" , "Internal organs, intestines" , "Abdominal organs -- cars vie (anag)" , "Entrails -- CIS rave (anag)" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">internal organs</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for innards that I've seen before include "Informally, the stomach and entrails" , "Insides" , "Informally, stomach and bowels" , "Guts of mechanism" , "Works" .)