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11 Cards in this Set
- Front
- Back
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- are - responses to certain stimuli |
Reflexes are automatic |
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If someone shines a - |
Bright light |
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Your - automatically get smaller so less light goes in |
Pupils |
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This stops it getting - |
Damaged |
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The passage of info in a reflex is called a |
Reflex arc |
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Neurones in reflex arcs go through the - or through |
Spinal cord or through an unconscious part of the brain |
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When a - is detected be receptors impulses are sent along a - to the CNS |
Stimulus, sensory neurone |
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Relay neurones - the impulses to a - |
Relay, motor neurone |
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The impulses then travel along the motor neurone to the - (a muscle in this example) |
Effector |
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The - then - and moves your hand away from the bee |
Muscle, contracts |
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Because you dont have to think about the response its - than a normal response |
Quicker |
