Question

How brain and spinal cord are protected ?
(b) What are the different parts of human nervous system ?
(c) What are the limitations of nervous system ?

Answer 1

brain is protected by skull

spinal cord is protected by vertebral column

human nervous system consists of receptors,neurons,brain,spinal cord,effector muscles

limitations of nervous system-

it doesen't reach all cells of the body

it takes time to generate new impulse.

plz ask if any doubt

#brainly

Answer 2

brain is protected by the skull and spinal cord is protected by the vertebral column

the differents parts of the human nervous system are
1) central nervous system(CNS) which contains brain and spinal cord
2) peripheral nervous system (PNS) which contains nerves

limitation is
electrical impulse created by the nervous cells can reach only those cells which are connected to the nervous tissue