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peripheral nervous system

Answer:

Peripheral nervous system

Explanation:

The brain is a complex organ which controls the body’s activities. It is made of neurons and some tissues which supports the brain. The base of the brain is connected to the spinal cord. The spinal cord is thick column of nerves encircled by vertebrae. The brain and spinal cord together constitute the central nervous system (CNS). The spinal nerves which are arise from the spinal cord constitute peripheral nervous system. These nerves connects brain and spinal cord to the rest of the body.