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

Read the following statements :-
$(A)$ Sympathetic nervous system accelerates heart beat rate.
$(B)$ The junction between the axon of one neuron and the sarcolemma of a muscle is known as a neuromuscular junction,not a synapse.
$(C)$ The midbrain integrates visual,auditory,and tactile inputs.
$(D)$ The limbic system consists of fiber tracts that interconnect different regions of the brain and is primarily involved in the regulation of sexual behavior,expression of emotional reactions,and motivation,rather than controlling movement.
Choose the option from given below which includes correct statements.

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

Distinguish between (Any four):
$(a)$ Afferent neurons and Efferent neurons
$(b)$ Impulse conduction in a myelinated nerve fibre and an unmyelinated nerve fibre
$(c)$ Aqueous humour and vitreous humour
$(d)$ Blind spot and Yellow spot
$(e)$ Cranial nerves and Spinal nerves

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

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