staywithme
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Report Thread starter 5 years ago
#1
Please, can a GCSE student explain to me:
1. is the Central nervous system the spinal cord or the brain?
2. do all actions use the relay neurone?
3. are these reflex arcs correct or incorrect:

Reflex arc
Stimulus -> Receptor -> Sensory neurone -> central nervous system -> motor neurone -> effector -> response

Spinal reflex arc

stimulus -> receptor -> sensory neurone -> relay neurone -> motor neurone -> effector -> response

Please help <3
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