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Question
Given alongside is a partial diagrammatic representation of a certain phenomenon pertaining to the nervous system.
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- Name the parts numbered 1-7.
- Name the phenomenon that the diagram depicts and define it.
- Give the technical term for the point of contact between two nerve cells.
- Name the parts not shown in the diagram that should be included to complete the pathway of the phenomenon.
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Solution
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- White matter
- Spinal cord
- Dorsal root (sensory)
- Association Neuron
- Ventral root
- Gray matter
- Central Canal
- The diagram depicts spinal reflex action.
It is an automatic/quick/immediate, involuntary action in the body brought about by a stimulus. - Synapse
- Receptor, sensory neuron, motor neuron, ·spinal nerve, effector muscles
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