The basic functional units of nervous tissue are

The lowest region of the brain stem, , houses many vital autonomical centers involved in control of heart rate, respiratory rhythm, blood pressure.

Motor speech area of left hemisphere only is known as and is the ability to articulate words.

The cervical plexus is a major branch of

is the largest nerve in human body and part of sacral plexus

The ability of the eye to focus differently for objects of near vision is called .

Stretch reflexes are initiated by tapping a which stretches the associated muscle.

Babinskis sing is tested by the

This reflex consists of a flexor or withdrawal reflex followed by extension of opposite limb. It is called

Deepest in the dermis of all cutaneous receptors are .

Sensory receptors act as changing environmental stimuli into different nerve impulses.

The inhibitions of those interneurons and antagonistic muscles that follows, , causes them to relax and prevents resisting the contraction of stretched muscle.