Biology A-Level
Reflex action
What Reflex action means in Biology A-Level, as defined for OCR.
Definition of Reflex action
Check what you remember
Read the wording for your board, then hide it and explain Reflex action in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
A rapid, involuntary and stereotyped response to a stimulus, coordinated by a reflex arc so that the brain is not required to make the decision.
Topics that use Reflex action
- Plant and animal responses (OCR A-Level)
Related terms
- Adrenaline and fight-or-flight
- Autonomic control of heart rate
- Autonomic nervous system
- Auxin
- Auxin (IAA)
- Auxins
- Cerebrum
- Comparison of muscle tissue types
Using Reflex action in the exam
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