Mammals have the most complex nervous system on the planet, with humans being the most advanced
Central nervous system (CNS)- the part of the nervous system that coordinates the activity of all parts of the bodies
Brain - largest part of the central nervous system . It regulates many different functions of the body of a mammal. The brain processes all incoming external stimuli , and tells the body what to do in response . In most mammals, these responses are automatic and unconscious .
Spinal Cord - linking the brain to the rest of the body(8)