Biology GCSE
Effectors
What Effectors means in Biology GCSE, as defined for AQA, OCR.
Definitions of Effectors
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Reference: OCR
Muscles that contract or glands that secrete chemical substances, which may include hormones but also other secretions such as enzymes or sweat.
The parts of the body that carry out the response, of which there are two main types.
Muscles or glands which bring about responses which restore optimum levels.
Topics that use Effectors
- Homeostasis (AQA GCSE)
- Structure and function (AQA GCSE)
- Coordination and control – the nervous system (OCR GCSE)
Related terms
- reflex arc
- synapse
- synaptic transmission
- Accommodation
- blood-brain barrier
- Central nervous system
- cerebellum
- cerebrum
Using Effectors in the exam
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