ANATOMY

Detailed explanation-1: -The nervous system includes the brain, spinal cord, and a complex network of nerves. This system sends messages back and forth between the brain and the body. The brain is what controls all the body’s functions.

Detailed explanation-2: -Think of the brain as a central computer that controls all the body’s functions. The rest of the nervous system is like a network that relays messages back and forth from the brain to different parts of the body.

Detailed explanation-3: -the central nervous system, or CNS, which consists of the brain and spinal cord.

Detailed explanation-4: -The ANS can be further subdivided into the sympathetic, parasympathetic, and enteric nervous systems.