Explanation

Brain acts as the command and control system and it controls the voluntary movements, balance of the body, functioning of vital involuntary organs ($e.g.,$ lungs, heart, kidneys, etc.), thermoregulation, hunger and thrist, circadian (24-hours) rhythms of our body, activities of several endocrine glands and human behavior. It is the site for processing of vision, hearing, speech, memory, intelligence, emotions and thoughts