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When the eye is exposed to bright light, are impulses sent to the brain or spinal cord? and is this reflex involuntary response or voluntary? I thought that if the eye is exposed to bright light, the pupil changes without our consciousness so might be involuntary, and maybe is sent to the spinal cord (but I doubt...)... is that true? Thanks
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When the eye is exposed to bright light, are impulses sent to the brain or spinal cord? and is this...
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