Brain

• Cerebrum

  • Forms the largest part of the brain
  • Origin of all voluntary actions
  • Receives and interprets impulses from sensory organs.
  • Place of higher mental functions(memory, intelligence, emotions and judgement).
• Hypothalamus

  • Below thalamus
  • Maintenance of homeostasis
  • Defence, reproductive behaviour, territoriality
  • Controls emotions
• Cerebellum

  Back of the head(mini cerebrum)

  Functions

  • Controls voluntary action
  • Controls muscle tone
• Medulla Oblongata

  Same structure as spinal chord

  Functions

  • Transmits nerve impulses between brain and spinal cord.
  • Controls autonomic functions.