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Multiple Choice
Which of the following systems includes all the others?
A
Autonomic nervous system (ANS)
B
Motor system
C
Sympathetic division
D
Parasympathetic division
E
Peripheral nervous system (PNS)
Verified step by step guidance
1
Understand the hierarchy of the nervous system: The nervous system is divided into the central nervous system (CNS) and the peripheral nervous system (PNS).
Recognize that the peripheral nervous system (PNS) includes all nerves outside the brain and spinal cord, and it connects the CNS to the limbs and organs.
Identify that the autonomic nervous system (ANS) is a part of the PNS and controls involuntary body functions. It is further divided into the sympathetic and parasympathetic divisions.
Note that the motor system, which controls voluntary movements, is also part of the PNS.
Conclude that since the autonomic nervous system, motor system, sympathetic division, and parasympathetic division are all components of the PNS, the PNS is the system that includes all the others.