Regulation and coordination by cells = $P$
Regulation and coordination by chemicals = $Q$
Select the correct option for $P$ and $Q$.
$\quad\quad \quad P\quad\quad\quad Q$

If the $III^{rd}$ cranial nerve (oculomotor nerve) is damaged,it will lead to:

Which one of the following cranial nerves does $NOT$ innervate eye muscles?

Where is postganglionic sympathetic cholinergic innervation found?

Identify the location and function of the following structures:
$(1)$ Cone cells
$(2)$ Ear ossicles

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.