Central neural system
Central neural system consists of the brain and spinal cord. The brain and spinal cord receives information from all parts of the body and integrates it.
Peripheral neural system
Peripheral neural system consists of the cranial nerves and spinal nerves.
Through these nerves, the nervous system communicates with the muscles.
Autonomic neural system
Autonomic neural system consist of parasympathetic and sympathetic neural systems. Though connected with the CNS, it works independently and regulates involuntary activities of the body. It controls the activities of visceral organs, like heart, lungs and stomach.
Final answer: Option (b)