Question

why we need nervous system

Answer 1

Your brain is the main organ of your body which is why it is a part of the central nervous system. Without the nervous system we wouldn't be able to move, function or think, this is because the nervous system is what makes everything in your body work.

Answer 2

We need nervous system because the nervous system is help to fill.And nerves help we to fill and massage to brain by the help of nervous system therefore the nervous system in helpful for her.