**Based on AQA biology specification ( can be used for revision). Includes: Content, AFL Questions, Exam style Questions and Answers
**
Based on AQA biology specification
4.5.2.1 Structure and function
Students should be able to explain how the structure of the nervous
system is adapted to its functions.
The nervous system enables humans to react to their surroundings and
to coordinate their behaviour.
Information from receptors passes along cells (neurones) as electrical
impulses to the central nervous system (CNS). The CNS is the brain and
spinal cord. The CNS coordinates the response of effectors which may
be muscles contracting or glands secreting hormones.
stimulus receptor coordinator effector response
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