Divisions of the Nervous System Flashcards
what is the nervous system
a body wide system of nerve cells
what is the role of the nervous system
collects information from the world, processes it and takes action by directing body organs and muscles via the transmission of electro-chemical messages
what is the central nervous system
made up of the brain and spinal cord
what is the role of the central nervous system
complex processing
what is the peripheral nervous system
made up of the autonomic and somatic nervous system
what is the role of the peripheral nervous system
carries messages to and from the CNS
what is the brain’s role in the nervous system
all conscious and most unconscious processing
what is the spinal cord’s role in the nervous system
recieves and transmits information with some reflex processing
what is the role of the somatic nervous system
controls voluntary and skeletal muscles and transmits sensory information to the CNS
what is the autonomic nervous system
made up of the sympathetic and parasympathetic nervous system
what is the role of the autonomic nervous system
controls involuntary body functions, actions of internal organs and glands
what is the role of the parasympathetic nervous system
calms the body to conserve and maintain energy, activates in rest, stimulates digestion
what is the role of the sympathetic nervous system
arouses the body to expend energy, activates in stress response
what is a way to remember the role of the parasympathetic nervous system
rest and digest
what is a way to remember the role of the sympathetic nervous system
flight or fight
