Chapter 12 Part 1

Front 1

The Nervous System

Back 1

The master controlling and communicating system of the body

Front 2

Sensory Input

Back 2

information gathered by sensory receptors about internal and external changes

Front 3

Integration

Back 3

processing and interpretation of sensory input

Front 4

Motor output

Back 4

Activation of effector organs produces a response

Front 5

Effector Organs

Back 5

muscles and glands

Front 6

Central Nervous System

Back 6

Brain and spinal cord (dorsal body cavity)

The Integration and control center

Front 7

Peripheral Nervous System

Back 7

All of the nervous system outside the CNS;

Consists mainly of nerves that extend from the brain and spinal cord

Front 8

Spinal Nerves go

Back 8

to and from the spinal cord

Front 9

Cranial nerves go

Back 9

to and from brain

Front 10

Functional divisions of the PNS

Back 10

Sensory (afferent) division;

Motor (efferent) division

Front 11

Afferent division consists of

Back 11

Somatic sensory fibers: which convey impulses from skin, skeletal muscles, and joints to CNS

Visceral Sensory Fibers: which convey impulses from visceral organs to CNS

Front 12

The Efferent Division

Back 12

transmits impulses from CNS to effector organs

and has two subdivisions:

Somatic Nervous System

and Autonomic Nervous System

Front 13

Somatic Nervous System

Back 13

somatic motor nerve fibers;

conducts impulses from CNS to skeletal muscle;

(voluntary nervous system)

Front 14

Autonomic Nervous System

Back 14

visceral motor nerve fibers;

regulates smooth muscle, cardiac muscle, and glands;

Has two subdivisions:

Sympathetic and Parasympathetic

(Involuntary nervous system)

Front 15

Draw Diagram of nervous system divisions

Back 15

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