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6 Cards in this Set
- Front
- Back
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Receptors |
A group of cells which are sensitive to a stimulus, they change stimulus energy into electrical pulses |
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The Central Nervous System |
Where all the info from sense organs is sent Where reflexes and actions are coordinated Consists of brain and spinal chord only |
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Sensory Neurones |
Transmit info as electrical impulses to the effector muscles and glands in the CNS |
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Relay Neurones |
The nerve cells that carry signals from sensory neurones to motor neurones. |
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Motors Neurones |
The nerve cells that carry the signals from the CNS to the effector muscles or glands |
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Effectors |
Muscles contract Glands secrete hormones |
