A spinal reflex differs from a normal sensory and motor reaction in that
A) a spinal reflex occurs only in response to extremely stressful stimuli
B) in a spinal reflex, the spine moves the muscles in response as soon as the sensory information reaches the spine while usually the impulse must reach the brain before a response
C) in a normal sensory/motor reaction, the spine transmits information through afferent nerve fibers, while reflex reactions are transmitted along special efferent nerves
D) spinal reflexes are part of the central nervous system response, while normal sensory/motor reactions are part of the peripheral nervous system
E) spinal reflexes occur only in animals because humans are born without instinctual responses
B) in a spinal reflex, the spine moves the muscles in response as soon as the sensory information reaches the spine while usually the impulse must reach the brain before a response
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