In this picture it shows where our brain, spinal cord, and the peripheral nerve is at.

The nervous system is a complex collection of nerves and specialized cells.The nervous system have 3 to 6 major organs, the 3 main organs is the brain, spinal cord, and the sensory organs.
The brain sends messages through your nerves through the body.It also help you think and use our reflexes.The spinal cord is what helps us form our body together or you can also say poster.Last but not least the sensory organs. We have 5 and they are hear, smell, touch,taste, and our vision.

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