Bio - brain

• What two components make up the central nervous system (CNS)?

  Brain and spinal cord
• What functions are associated with the brain?

  Consciousness, intelligence, memory, language
• How is the brain divided?

  Into two hemispheres
• Which side of the brain controls the left side of the body?

  The right hemisphere
• Which side of the brain controls the right side of the body?

  The left hemisphere
• What is the function of the cerebellum?

  Muscle coordination and balance
• What type of activities does the cerebellum control?

  Unconscious activities like breathing
• How do scientists study the brain?

  • Study people with brain damage
  • Electrically stimulate parts of the brain
  • Scanning methods:
  • MRI (magnetic resonance)
  • PET (positron emission)
  • CT (X-rays)
• Why is treating the brain difficult?

  Due to trauma, infection, and complexity
• What are some challenges in physically fixing brain issues?

  Fragile tissue and encased within skull
• What can go wrong with the brain?

  Trauma, infection, tumors, mental health
• Why is the brain considered complex?

  It has intricate structures and functions
• What does the cerebral cortex’s control

  Consciousness, memory, senses, language, intelligence
• What does the medulla control

  Unconscious activities like breathing