does reflex arc involve brain
Report Abuse. No it is not! The reflex arc works from the sensory neuron to the spinal cord, then directly to a motor neuron to perform the 'reflex.' The brain has no idea until the message then travels from the reflex action through another sensory neuron back to the brain to inform it of what just happened.eport Abuse. No it is not! The reflex arc works from the sensory neuron to the spinal cord, then directly to a motor neuron to perform the 'reflex.' The brain has no idea until the message then travels from the reflex action through another sensory neuron back to the brain to inform it of what just happened.