After Les touches a hot iron,he pulls his hand away almost instantaneously.The command from the brain that instructed Les's muscles to pull his arm away so quickly was passed along by the ____.

Question

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The spinal cord is responsible for reflex actions, such as pulling the hand away from a hot iron without conscious thought. This is a basic survival mechanism that does not require processing by the higher brain regions.

After Les Touches a Hot Iron,he Pulls His Hand Away