brain , spinal chord and nerves all are composed of nerve tissue . nerve cells is a type of connective tissue . nerve cell is called neurons . a neuron consist of a cell body with a nucleus and cytoplasm from which long thin hair arises. long part of the  cell is called axon and there are many short branches named as dendrites.
   i hope that my answer will help u.............................(>‿◠)✌
1 5 1
Neurons are nerve cells, or cells found in the nervous system. These are specialized cells designed to stimulate other cells in the body in order to communicate.