Divisions of the Nervous System

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Central Nervous System (CNS)
The body's master control unit
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Peripheral Nervous System (PNS)
The body's link to the outside world
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(CNS)
Spinal Cord
A column of nerves between the brain and the peripheral nervous system
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(CNS)
Brain
Divided into three major parts:
- The hindbrain (lower part)
- The midbrain
- The forebrain
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(PNS)
The Autonomic Nervous System
Regulates involuntary bodily processes including heart rate, respiration, digestion and pupil contraction; operates automatically without conscious direction
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(PNS)
The Somatic Nervous System
Carries sensory information from sensory organs to the CNS and relays motor (movement) commands to muscles; controls voluntary movements
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(ANS)
Sympathetic NS
Prepares the body for action and stress. This is called "fight or flight"
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(ANS)
Parasympathetic NS
Calms the body and helps the body to conserve energy
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Other cards in this set

Card 2

Front

The body's link to the outside world

Back

Peripheral Nervous System (PNS)

Card 3

Front

A column of nerves between the brain and the peripheral nervous system

Back

Preview of the back of card 3

Card 4

Front

Divided into three major parts:
- The hindbrain (lower part)
- The midbrain
- The forebrain

Back

Preview of the back of card 4

Card 5

Front

Regulates involuntary bodily processes including heart rate, respiration, digestion and pupil contraction; operates automatically without conscious direction

Back

Preview of the back of card 5
View more cards

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