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11 Cards in this Set
- Front
- Back
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Where are receptors found?
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Eyes, ears, nose, tongue and skin
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What are neurons?
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Nerve cells
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Name 4 stimuli
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Sound, light, chemicals, temperature change
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What is the full meaning of CNS?
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Central nervous system
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What do neurons carry?
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Electrical impulses
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What do sensory neurons do?
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Carry impulses from receptors to the CNS
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What do motor neurons do?
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Carry impulses from the CNS to effector organs
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What happens after the motor neuron stage?
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The muscles or glands respond. Muscles move and glands release chemicals
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What are the main steps of a reflex?
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A receptor detects a stimulus, a sensory neuron sends an electrical impulse to the CNS, a relay neuron passes the impulse on, a motor neuron is stimulated, the impulse is passed to the effector, action is taken
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What is the junction between two neurons called?
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A synapse
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What is the sequence from the receptor to the effector called?
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Reflex arc
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