Help with reflex actions etc- Biology OCR Gateway B exam tomorrowWatch
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:
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