The Divisions of the Nervous System Flashcards
The nervous system is divided into:
The central nervous system
The peripheral nervous system
Central nervous system
Brain and spinal cord
Receives sensory information
Peripheral nervous system
Nerves outside the central nervous system
Relays nerve impulses between the CNS and organs, limbs and skin
The peripheral nervous system is divided into:
The autonomic nervous system
The somatic nervous system
Autonomic nervous system
Nerves which communicate with internal organs and glands
Controls involuntary heart beat and breathing
Somatic nervous system
Nerves which receive input from sense organs and send output to control voluntary muscle movement
Comprised of sensory and motor neurons
Connects CNS and senses
The autonomic nervous system is divided into
The sympathetic nervous system
The parasympathetic nervous system
Sympathetic nervous system
Arousing effect
Adrenaline
Fight and flight
Parasympathetic nervous system
Calming effect
Rest and digest
Function of the spinal cord
Relays information between the brain and rest of the body
