How is brain and spinal-cord protected against mechanical injuries ?

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Human Brain and Its Parts, Coordination in Human Body Through Nervous System, Nastic Movements in Plants, Plant Hormones and Their Functions | PadhAiPro

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TextHuman Brain and Its PartsCoordination in Human Body Through Nervous SystemNastic Movements in PlantsPlant Hormones and Their FunctionsCBSE PYQ

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