nervous system

Cards (16)

  • What are the two main parts of the nervous system?
    Central and peripheral nervous systems
  • What does the central nervous system consist of?
    Brain and spinal cord
  • What is the role of the peripheral nervous system?
    Transmits signals to and from the CNS
  • What are the two divisions of the autonomic nervous system?
    Sympathetic and parasympathetic divisions
  • What is the primary function of the nervous system?
    Collect, process, and respond to information
  • What is contralateral control in the brain?
    Each hemisphere controls opposite body side
  • What is the function of the cerebral cortex?
    Higher mental processes like problem-solving
  • What does the brain stem control?
    Basic functions such as sleep and breathing
  • How does the spinal cord function in reflex actions?
    Controls reflex actions like pulling away
  • Why is the autonomic nervous system called 'autonomic'?
    It operates involuntarily and automatically
  • What role does the autonomic nervous system play in stress response?
    It regulates body's response to stress
  • What does the sympathetic division do?
    Prepares body for fight or flight response
  • What is the function of the parasympathetic division?
    Brings body back to resting state
  • What are the main functions of the central nervous system?
    • Collect information
    • Process information
    • Respond to information
    • Coordinate organ and cell functions
  • What are the key features of the brain's structure?
    • Divided into two hemispheres
    • Right hemisphere controls left body side
    • Left hemisphere controls right body side
    • Connected by structures like the corpus callosum
  • What are the roles of the sympathetic and parasympathetic divisions?
    Sympathetic:
    • Activates arousal
    • Increases heart rate
    • Prepares for fight or flight

    Parasympathetic:
    • Activates rest and digest
    • Reduces heart and breathing rates