This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Yes because it enables us to to do things and it carry messages to travel from the different parts of the body to the brain..

That's my answer :)))

Because The Spinal Cord Send Messages to the brain :))))))
And to react what is happening in our surroundings 

Thats my answer