In mammals,the corpus callosum connects

Which part is involved in the movement of the head to locate and detect the source of a sound?

The largest of the spinal nerves is constituted by the

The forebrain develops into

How many parts of the brain are observed?

Given below are two statements regarding the nervous tissue of the central nervous system.
Statement $I$: The nervous tissue does not contain lymphatic vessels.
Statement $II$: $CSF$ is a lymph-like extracellular fluid secreted by the pia mater,choroid plexuses,and ependymal cells lining the ventricles of the brain and the central canal of the spinal cord.
In the light of the above statements,select the correct option given below.