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Questions and Answers
Which part of the nervous system first arose in wormlike organisms about 550 to 600 million years ago?
Which part of the nervous system first arose in wormlike organisms about 550 to 600 million years ago?
What are the nerves that transmit signals from the brain called?
What are the nerves that transmit signals from the brain called?
Which subsystem of the peripheral nervous system mediates voluntary movement?
Which subsystem of the peripheral nervous system mediates voluntary movement?
In vertebrates, what does the central nervous system (CNS) consist of?
In vertebrates, what does the central nervous system (CNS) consist of?
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When is the sympathetic nervous system activated?
When is the sympathetic nervous system activated?
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