Chapter 48

body do we think? How many brains does a man have? How is each brain divided? Of what is the brain largely composed? Where do the nerves begin? What is the spinal cord? Why does it cause pain to prick the finger? How many kinds of nerves are there? (_Ans._ Two; nerves of feeling and nerves of work.) Name some of the different kinds of nerves of feeling? Name some of the different kinds of work controlled by the nerves of work. Of what use to the body are the brain and nerves? How does the brain use the nerves? Of what use is the large brain? What does the little brain do? Of what use is the spinal cord?