BI-2164
Drawing deductions
Biology · Secondary 4 · Hard · Drawing deductions
A boy accidentally touches a hot metal pan and quickly pulls his hand away before feeling pain. Which sequence shows the correct pathway of this reflex action?
- Receptor → sensory neurone → relay neurone → motor neurone → muscle
- Receptor → motor neurone → relay neurone → sensory neurone → muscle
- Receptor → relay neurone → sensory neurone → motor neurone → muscle
- Receptor → sensory neurone → motor neurone → relay neurone → muscle
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