Question
Trace the sequence of events which occur when a bright light is focused on your eyes.
✓
Answer
When bright light is focussed on our eyes, then it goes to the brain, the brain reverts back the message by motor neuron which contracts the pupil. The sequence of events which occur is:
Receptor → Sensory neuron → Brain → Motor Neuron → Eye → Eye muscle contracts
Receptor → Sensory neuron → Brain → Motor Neuron → Eye → Eye muscle contracts
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