Question

what does the nervous system composed of

Answer 1

Nervous system is composed of organs, principally the brain,

spinal cord, nerves, and ganglia.

______________________

Mark it as brainliest.

Answer 2

Answer:

The nervous system is composed of neurons which are the functional unit. It consists of the Brain and Spinal cord in CNS (central nervous system) PNS (peripheral nervous system). The peripheral nervous system has reflex arc