Page 5 - UNIT 3 Brain Building
P. 5

The Brain’s Road & Postal System





       Our brain is made up of billions of cells called neurons.






















                                                                                                                                Dendrites







                                                                                        Neurons are shaped a bit like


                                                                                        a tree, with a main trunk


                                                                                        (the axon)  and branches


                                                                                        (called dendrites).


                                                                    Axon
   1   2   3   4   5   6   7   8   9   10