Which of the following is part of the peripheral nervous system?

There are many parts of the peripheral nervous system, but options are not listed below.

I will use my best prediction using deductive reasoning to proves which is part of the PNS - peripheral nervous system.

The peripheral nervous system is defined as a bundle of neurons, that is neither the brain or spine (which is in the CNS - central nervous system)

As you may know the PNS, is broken down into two pieces.

The autonomic and somatic nervous system.

The autonomic nervous system as you may know is the part of the PNS, that controls involuntary activities. e.x breathing, heartrate, blood pressure, temperature, etc. 

The somatic nervous system on the other hand is voluntary, and is associated with the feelings of the body. (heat, cold, touch, smell)

Sensors is the answer.   wrong answers are spinal cord and brain.
again right answer for which of the following is part of the peripheral nervous system?  answer is:  SENSORS

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Your answer is a. coordination