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Hello everybody. Today we are going to explain the nervous system. The nervous system is composed by the central nervous system, that are the brain and the spinal cord, and the peripheral nervous system, that are all the nerves that go through all our body.

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Voluntary movements. The voluntary movement is when one of the receptors of the five senses sends information on what happened in the environment to the brain and the brain decides how to respond. Carmen, come here please.

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Right to date. This is a voluntary movement because the brain of Carmen decides how to respond.

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Reflex movements. The reflex movements is when the information of what is happening in the environment is so fast, so fast, that the brain can't decide how to respond because he doesn't know what is happening.

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So the storm will come up to us for our security.

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In our world, attention! Ta-ta!