By which nervous system and of what type,the blood is supplied into visceral organs?

Glucose and oxygen are required by the brain for a constant supply of energy to control the functions of our body organs. What will be the consequences if the brain is deprived of oxygen and glucose?
$I.$ Brain deprived of oxygen for just $5$ minutes will get permanently damaged.
$II.$ Glucose is important in the nerve impulse conduction.
$III.$ One side of the brain is unable to know what the other side is doing when it is deprived of oxygen.
$IV.$ Mental confusion will result if the brain is deprived of glucose.

Select the mixed type of cranial nerves from the following list:
$i$. Pathetic (Trochlear)
$ii$. Trigeminal
$iii$. Facial
$iv$. Auditory (Vestibulocochlear)
$v$. Glossopharyngeal

Choose the correct option:
$(1)$ The saccule and utricle contain a projecting ridge called the $ \text{crista} / \text{macula} $.
$(2)$ The space between the cornea and the lens is called the $ \text{aqueous chamber} / \text{vitreous chamber} $.

The $II$,$III$,$VI$,and $XI$ cranial nerves are . . . . . . respectively.

Select the correct option for the visceral nervous system.