what is the role of brain in reflex action?
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The sensory nerves that detect the heat are connected to the nerves that move the muscles of the hand. Such a connection of detecting the signal from the nerves and responding to it quickly is known as reflex arc. Reflex arcs are formed in the spinal cord and the information reaches the brain and brain responses to it.
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Brain has no direct role in reflex action it is mainly controlled by spinal cord as these actions do not require thinking and are very fast and quick.
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