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what is a stimulus?
A change in your enviroment which you may need to react to! e.g. light, sound touch, pain or temperature.
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What are receptors?
they are in your sense organs and are sensitive to stimulus energy
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what does the centeral nevous system do?
The CNS is where all the info is sent- it is where the reflexes and actions are coordinated. (brain and spinal cord)
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what is a synapse?
the connections between two neurones
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What is a sensory neurone?
they are the nerve cells that carry signals as electrical impulses from receptors to the CNS.
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What is a motor neurone?
the nerve cells that carry singls from the CNS to the effector (muscle or gland)
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What is a relay neurone?
The nerve cells that carry signals from sensory neurones to the motor neurones
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What are effectors?
Known as muscle or glands and they respond to nerve impulses.
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Card 2

Front

What are receptors?

Back

they are in your sense organs and are sensitive to stimulus energy

Card 3

Front

what does the centeral nevous system do?

Back

Preview of the front of card 3

Card 4

Front

what is a synapse?

Back

Preview of the front of card 4

Card 5

Front

What is a sensory neurone?

Back

Preview of the front of card 5
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