Biology A-Level
Reflex arc
What Reflex arc means in Biology A-Level, as defined for OCR.
Definition of Reflex arc
Check what you remember
Read the wording for your board, then hide it and explain Reflex arc in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
The pathway running from receptor to sensory neurone, into the spinal cord or brain, then to a motor neurone and effector.
Topics that use Reflex arc
- 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 arc in the exam
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