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Most sympathetic pathways originate in the ___ regions of the CNS.

User SWilder
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Final answer:

Most sympathetic pathways originate in the thoracic and upper lumbar regions of the CNS.

Step-by-step explanation:

The sympathetic pathways originate in the thoracic and upper lumbar regions of the CNS. The majority of sympathetic pathways start from the lateral horn of the spinal cord. These pathways play a crucial role in the body's response to stress or emergency situations by activating the fight-or-flight response.

User Unbreachable
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