PNS

• WHAT DOES THE PNS DO?

  • gather information from external environment
  • transmit messages to CNS via neurons
• WHAT IS THE PNS DIVIDED INTO?

  somatic and autonomic
• WHAT DOES THE SOMATIC DO?

  • voluntary control of body movements
  • controls skeletal muscles
• WHERE DOES THE SOMATIC PNS GET COMMANDS FROM?

  motor cortex
• WHAT DOES THE SOMATIC PNS HAVE?

  sensory and motor pathways
• WHAT DOES THE AUTONOMIC PNS DO?

  • involuntary vital functions
  • control internal glands
• WHERE DOES THE AUTONOMIC PNS GET COMMANDS FROM?

  brainstem
• WHAT DOES THE AUTONOMIC PNS HAVE?

  motor pathways
• WHAT IS THE AUTONOMIC PNS DIVIDED INTO?

  sympathetic and parasympathetic
• WHAT RESPONSE DOES THE SYMPATHETIC PNS DO?

  fight or flight
• WHAT RESPONSE DOES THE PARASYMPATHETIC PNS DO?

  rest and digest