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| Pregunta | Respuesta |
| Which organs make up the nervous system ? | The brain is the most important organ in the nervous system. It controls all the other organs in our body. |
| How does the nervous system work? | The nervous system is made up of neurons. There are millions of neurons in your brain. |
| How do we see and hear? | Our eyes and ears detect information about objects and sounds around us. |
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