The nervous system

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The nervous system consists of two parts:
Central nervous system (CNS) consisting of the brain and spinal cord, which are the areas of coordination o Peripheral nervous system (PNS) made up of nerves and neurones, which coordinate and regulate bodily functions.
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Involuntary actions
not under conscious control e.g. reflex action
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Voluntary actions
are done if we decide to carry them out
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Nerve impulse
an electrical signal that passes along nerve cells called neurones
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Sensory Neurone:
Sensory Neurone:
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Card 2

Front

not under conscious control e.g. reflex action

Back

Involuntary actions

Card 3

Front

are done if we decide to carry them out

Back

Preview of the back of card 3

Card 4

Front

an electrical signal that passes along nerve cells called neurones

Back

Preview of the back of card 4

Card 5

Front

Sensory Neurone:

Back

Preview of the back of card 5

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