Question

without nervous system we cannot​

Answer 1

Without the nervous system our brain would be mush. It wouldn't know anything that was going on in the outside world and wouldn't be able to control our body. The brain and the spinal cord make up what is called the central nervous system. The rest of the nerves together are called the peripheral nervous system.

Answer 2

Answer:

we cannot

Function properly. as a nervous system controls all the body parts and the system when they will not work means we are like dead