Why do parents and doctors get worried if a child gets a head or a spinal injury

parents and doctors get very worried if a child gets a head or spinal injury because the spinal cord supports the whole body. So, if any damage is done than the child may become disable. Its the same case with a head injury. Brain cells cannot reproduce, so if there is any damage done it is permanent.

Explanation:

liquid crystals are matters in a state which have properties between those of conventional liquids and those of solid crystals[1]. liquid crystal is partially ordered and anisotropic. in terms of molecular order, liquid crystal molecules have one-dimensional or two-dimensional long - range order.