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Conserves energy
Promotes house keep functions during rest
(See individual roles in the diagram above)

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Metabolizes body systems during activity
(See individual roles in the diagram above)

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composed of visceral motor nerve
which regulate the activity of ___smooth muscles, cardiac muscle and glands__
Involuntary

Has 2 functional subdivisions which work in ____oppostion______ of each other. Whatever one stimulates the other inhibits.

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composed of motor nerve fibers that control ___Skeletal muscles________.
Voluntary

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transmits signal from the CNS to the effector organs. In other words they bring about a motor response.
What are 2 examples of effector organs? muscles and glands

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-conveys impulses to the CNS from the sensory receptors

-It is made up of the somatic and visceral sensory nerve fibers
What are somatic sensory fibers? Fibers that convey impulses from the skin, skeletal muscles, and joints

What are visceral sensory fibers? Fibers that transmit impulses from the visceral organs

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Where is it in relation to the CNS? Part of the nervous system outside the CNS

The PNS consists mainly of spinal and cranial nerves
What are spinal nerves? Nerves that carry impulses to and from the spinal cord

What are cranial nerves ? Nerves that carry impulses to and from the brain

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What are the 2 major parts? Brain and spinal cord

What cavity does it occupy? Dorsal Body Cavity

Which of the 3 functions, sensory input, integration or motor input, is the CNS responsible for?  The CNS is the integrating and control center of the nervous system, it interprets sensory input and dictates motor output based on reflexes current conditions and past experiences.