Imagery and cognitions would not be possible without the functioning of the system.

is the asnwer nervous and behavioral

if not then report me

Explanation:

nervous system

Explanation:

The nervous system represents a networks of nerves  and cells called neurons that transmit data to the brain and from the brain and spinal cord to distinct parts of body.

It has two parts: the central nervous system and the nervous system on the periphery. The central nervous system is made up of spinal cord, brain and nerves, while on the other side the others nervous system i.e. peripheral made of ganglia, nerves and sensory neurons