<prompt> Which organ does not utilise ketone bodiesLiverBrainSkeletal musclesCardiac muscles  <response>: LiverKetone bodies are synthesized by the liver and are utilized by extrahepatic tissues like heart, muscles, renal cortex and brain in starvation.Liver cannot utilize ketone bodies because it lacks enzyme succinyl-CoA-acetoacetate CoA transferase, which is required for the activation of ketone bodies. 