nervous tissue

It is a tissue which is specialized to transmit messages within the body is called nervous tissue .

All the brain ,spinal cord and nerves are made up of specialized cells called nerve cell .

Each nerve cell is responsible for transmission of impulse from one part of body to the other . they connect the brain with the outside world .

each nerve cell has a cell body ,axon and nerve ending. The cell body has projections coming out called dentrites which collect information. the axon is protected by a sheath called myelin sheath .The axon is surrounded  by cells called schwann cells .One nerve cell is connected with the other to carry information to its destination like brain. Therefore nerve cell is called unit of information.