Nervous system includes which of these major components?A. BrainB. Brain & Back BoneC. brain, spinal cord and neuronsD. None 0 0 votesArticle Rating Subscribe LoginNotify of new follow-up commentsnew replies to my comments Label {} [+] Name* Email* Website Label {} [+] Name* Email* Website 0 Comments Oldest Newest Most Voted Inline FeedbacksView all comments