A receptor cell picks up a ____. This is sent as an ____ impulse along a ____ neurone. The sensory neurone passes the impulse to a ____ neurone in the spinal cord. The relay neurone sends the ____ back to a ____ neurone, which makes the ____ carry out the action that is needed.

Tauler de classificació

Estil visual

Opcions

Canvia de fonament

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