Ramus communicans contains . . . . . . nerve fibres.

Name the structures involved in the protection of the brain.

Most important function of $CSF$ is

Where is the posterior choroid plexus found?

Given below are two statements:
Statement $I$: Limbic system is responsible for motivational drives and memory.
Statement $II$: Reticular activating system of diencephalon transmits all sensory impulse to the cerebrum.
In light of the above statements,select the correct answer from the options given below.

Crura cerebri are found in