$ECT$ is

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

Which of the following actions does not occur in humans after sympathetic stimulation?

Briefly describe the structure of the following:
$(a)$ Brain
$(b)$ Eye
$(c)$ Ear

Which of the following is $NOT$ under the control of the $Vagus$ nerve?

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