Question

1) the brain covered by three layers called________.
2) _________ Nervous carry massages to the musels​

Answer 1

Answer:

Now we'll move on to look at the layers of tissue that give the brain a protective covering, and maintain its special fluid environment. These three layers, the dura, the arachnoid and the pia, are collectively called the meninges.

Explanation:

Motor neurons have a long axon and short dendrites and transmit messages from the central nervous system to the muscles (or to glands).