What Is the Nervous System? Your nervous system is your body's main communication system. It sends messages from your brain to the rest of your body and helps you respond to changes inside and around ...
More than 30 years ago a team of scientists painstakingly traced the connections among each of the 302 nerve cells in the hermaphrodite Caenorhabditis elegans worm. But it took until now for someone ...
Your sympathetic nervous system is one of the branches of your autonomic nervous system. It controls functions under unconscious control related to “fight or flight.” Your nervous system plays a ...
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