1. Cerebrum:

• Contains 75% of your neurons.
• Composed of two equal hemispheres.
• Lobes of the cerebrum:
   
  • Frontal lobe - reasoning, speech, movement, and emotions

    

  • Parietal lobe - touch, pressure, temperature, and pain

    

  • Temporal lobe - hearing and memory

    

  • Occipital lobe - vision

    

• Located at the lower back of the head.
• Controls muscle coordination and balance.

• Connects the cerebrum with the spinal cord.
• The 3 main sections of the Brain Stem:
  • Midbrain - controls reflexes and changes pupil size.
  • Medulla oblongata - controls heart rate, breathing rate, and flow of blood through the blood vessels.
  • Pons - relays signals between the cerebrum and the cerebellum.

12 pairs of crainial nerves