Question

what is the difference between the nervous tissue and the nervous system

Answer 1

"The nervous tissue are brain, spinal chord, neuron and nerves all composed of the nervous tissue." I hope this would be sufficient for you for nervous tissue

Answer 2

THE NERVOUS TISSUE IS THE PART OF THE NERVOUS SYSTEM.
THE NERVOUS SYSTEM ALSO INCLUDES BRAIN,SPINAL CORD AND NERVES......
ACTUALLY THE BASIC DIFFERENCE FOR UNDERSTANDING IS THAT THE ORGANISATIONAL LEVEL IS DIFFERENT , IT IS MORE COMPLICATED IN NERVOUS SYSTEM THAN IN THE NERVOUS TISSUE WHICH IS SIMPLY MADE UP OF NERVE CELLS......