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Communication and Homeostasis
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1. Accelerator nerve and vagus nerve: From the medulla 26. Homeostasis: Maintenance of internal environment in
oblongata to the heart. constant state despite external changes.
2. Acetylcholinesterase: Enzyme in the synaptic cleft that breaks 27. Hormonal System: Transported in the blood. Cells in…

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52. Repolarisation: Potential difference becomes negative again.
53. Response: Change in behaviour/physiology as a result of a change in the environment.
54. Resting potential : Potential difference or voltage across the neurone cell membrane whole the neurone is at rest. It is about -60mV
inside the cell compared with the…


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