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Which part of the nervous system is activated in cases of emergencies to mobilize energy?
What are the nerves that transmit signals from the brain called?
What arose in wormlike organisms about 550 to 600 million years ago?
Which subsystem of the peripheral nervous system mediates voluntary movement?
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What is the main function of the parasympathetic nervous system?
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Which part of the nervous system consists of the brain and spinal cord?
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What are the nerves that transmit signals from the body to the CNS called?
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Which subsystem of the peripheral nervous system is further subdivided into sympathetic and parasympathetic nervous systems?
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What arose in wormlike organisms about 550 to 600 million years ago?
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What are the nerves that serve both functions of transmitting signals from the brain and from the body to the CNS called?
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