Answer: The answer is nervous system
Imagery and cognitions would not be possible without the functioning of the nervous system.
Explanation:
The nervous system refers to a group of nerves and cells called neurons which transfer signals to and from the brain and spinal cord to different parts of the body. It has two components which are: the central nervous system and the peripheral nervous system. The central nervous system consist of the spinal cord, brain and nerves while the peripheral nervous system consist of ganglia, sensory neurons and nerves which connect to one another.