Responding to change (a2 only)
Nervous communication
1 best study notes in Nervous communication
Nervous coordination
2 best study notes in Nervous coordination
Muscle contraction
2 best study notes in Muscle contraction
Homeostasis
2 best study notes in Homeostasis


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Biology - AQA Biology topic 3.6.4 - Homeostasis is the maintenance of a stable internal environment
Full notes on topic 3.6.4 in Biology AQA (AQA A-level only)


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Biology - higher human biology - key area 2.8 (blood glucose levels and obesity)
full notes/summary for key area 2.8 of sqa higher human biology course. All information is taken directly from the official sqa course specifications