The nervous system tree diagram

The nervous system is broken down into
Central Nervous System and Peripheral Nervous System
The Central Nervous System is broken down into
spinal cord, brain stem, brain
The peripheral Nervous System is broken down into
The autonomic Nervous System and the somatic Nervous System
The Autonomic Nervous System is broken down into
Sympathetic Nervous System and Parasympathetic Nervous System
Central nervous system def
the body’s master control unit
Peripheral Nervous System def
the body’s link to the outside world
Spinal cord def
a column of nerves between the brain and peripheral nervous system
Brain stem def
connects the brain to the spinal cord
what is the brain divided into
three major parts:
– hindbrain (lowest part)
– the midbrain
the forebrain
The Autonomic Nervous System def
Regulates involuntary bodily processes, including heart rate, respiration, digestion, and pupil contraction; operates automatically without conscious direction
The Somatic Nervous System def
Carries sensory information from sensory organs to the CNS and relays motor (movement) commands to muscles; controls voluntary movement
Sympathetic Nervous System def
prepares the body for action and stress. This is called “fight or flight”
parasympathetic Nervous System
calms the body and helps the body to conserve energy
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