One of the examples of the action of the autonomous nervous system is

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

Given below is a table comparing the effects of sympathetic and parasympathetic nervous system for four features. Which one feature is correctly described?

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

Compare the following: (Any two)
$(a)$ Central neural system $(CNS)$ and Peripheral neural system $(PNS)$
$(b)$ Resting potential and action potential
$(c)$ Choroid and retina

Neural system and computers share certain common features. Comment in five lines.