Question

How is the central nervous system protected from external and internal injury?

Answer 1

they are protected by various protective organs surrounding brain and spinal cord

Answer 2

Central nervous system consists of :

1) Brain - It is protected by a solid bone known as skull. It protects brain from nay injury.

2) Spinal cord - It is protected by the backbone which protect it from injury.

Thus they are protected from injury.

Hope it help.....