<prompt> Limbic system is also known asSmall brainSmell brainHind brainMid brain  <response>: Ans: b Smell brain Ref: Ganong 22ml edp.256-258.Limbic system was formerly called rhinocephalon smell brain because of its relation to olfaction and it is phylogenetically the oldest pail of cerebral cortex allocortex.It consists of:- Cingulate gyms Septal nuclei Hippocampal formation - hippocampus and dentate nucleus AmygdalaPapez circuits link limbic system to hypothalamus and thalamus and is concerned with expressive side of emotions. It consists of Fornix from hippocampusa mamillary body of hypothalamus a anterior nucleus of thalamus a cingulate gyrusa hippocampus.Papez circuit has sensory and expressive side of emotions.Sensory:- Cognition- awareness of the sensation and its cause Affect-development of feeling Conation - desire to take actionExpressive:- Autonomic Somatic 