関連ワード:
why is it called the nervous system why is it called the sympathetic nervous system why is it called the parasympathetic nervous system why is it called the autonomic nervous system why is it called the central nervous system why is it called the peripheral nervous system why it is called as the structural and functional unit of the nervous system what is it called when your nervous system shuts down why do we have nervous system why is the autonomic nervous system so named
