AQA 7402 Section 3.6 (first half) — survival and response, neurone structure, resting potential and action potential, synaptic transmission and neurotransmitters, muscle contraction and the sliding-filament theory, receptors and sensory transduction, reflex arcs and CNS/PNS organisation, plant responses and IAA. Required Practical 10 (reaction-time / muscle fatigue) anchored.
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