Cameron Touches a Hot Iron and Immediately Pulls His Hand

Cameron touches a hot iron and immediately pulls his hand away. His quick response occurs because__________

A) the pain message goes up the spinal column to the central area of the spinal cord instead of going all the way to the brain.
B) the brain has registered that pain is occurring and responds quickly.
C) his glands have secreted chemical messengers called hormones.
D) neurons in the spinal cord touch end to end to increase response speed.

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