Nervous system

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What are nerves made of?
Neurons
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What does the Nervous system do?
The nervous system carries electrical signals called impulses.
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What makes up the CNS?
Brain and Spinal cord
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What is a receptor?
A special sensory cell that detects change in the environment.
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What do motor neurones do?
They carry impulses from the CNS to the effector organs
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What do Relay neurones do?
carry messages from one part of the CNS to another.
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What do Sensory neurones do?
carry signals from receptors to the spinal cord and brain.
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Other cards in this set

Card 2

Front

What does the Nervous system do?

Back

The nervous system carries electrical signals called impulses.

Card 3

Front

What makes up the CNS?

Back

Preview of the front of card 3

Card 4

Front

What is a receptor?

Back

Preview of the front of card 4

Card 5

Front

What do motor neurones do?

Back

Preview of the front of card 5
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