Write full forms of the following abbreviation:

ANS

Define the following term:

Neuron

Define the following term:

Nerve

Define the following term:

Stimulus

Define the following term:

Synaptic cleft

Define the following term:

Reflex action

Define the following term:

Corpus callosum

Distinguish between the following pair:

Cerebrum and cerebellum (function)

Distinguish between the following pair:

Sympathetic nervous system and parasympathetic nervous system (location and role)