BRAINCAKEKnee-jerk Reflex
The spinal cord is a column of nervous tissue protected by the spine and running up the back. At intervals sensory and motor neurones emerge.
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Key terms in this lesson
- Neurone
- A specialised nerve cell adapted to transmit electrical impulses (nerve impulses) around the body.
- Reflex arc
- The neural pathway of a reflex action, from receptor through sensory, relay and motor neurones to an effector, that produces a rapid, involuntary response.
More in Neuronal Communication
- Cerebrum
- Association Areas
- Cerebellum
- Medulla Oblongata
- Hypothalamus
- Pituitary Gland
- Reflex Actions
- Blinking Reflex
All 38 lessons in Neuronal Communication · All OCR A-level Biology topics