topic 8 Flashcards
what does the nervous system split into?
the central nervous system (CNS) and peripheral nervous system
what does the central nervous system consist of?
the brain and spinal chord
what does the peripheral nervous system consist of?
sensory nerves (carries sensory information from receptors to CNS) and motor nerves (carries motor commands from the CNS to the effectors)
what is the peripheral nervous system subdivided into?
the autonomic and somatic nervous systems
what is the somatic nervous system?
voluntary responses which stimulate skeletal muscle
what is the autonomic nervous system?
involuntary responses which stimulate smooth muscle, cardiac muscle, and glands
what is the autonomic nervous system subdivided into?
the sympathetic and parasympathetic nervous system
what is the sympathetic nervous system?
prepares body for a fight or flight response
what is the parasympathetic nervous system?
prepares the body for rest and digest