Hillipe is working in his machine shop, grinding some parts to make a credenza for a customer. As he concentrates on his work, he inadvertently brushes his fingers against a whirling grinder, and immediately pulls his hand away. This quick response occurred because A. Neurons in Phillipe's spinal cord touch end to end to increase response speed
B. Phillipe's spinal reflexes are automatic, requiring no conscious effort.
C. Phillipe's glands secreted chemical. messengers called hormones that traveled to his brain.
D. Phillipe's brain registered that pain was occurring and responding quickly.

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