The arachnoid membrane covers the

Where is the third ventricle located?

Assertion : The brain stem contains centres for controlling activities.
Reason : Brain stem is very sensitive.

The pneumogastric nerve is known as:

Statement $I :-$ The cerebral medulla is referred to as the grey matter due to its greyish appearance.
Statement $II :-$ The neuron cell bodies are concentrated in cerebral medulla giving the colour.

The link between paracoel and diocoel is through