![]() ![]() Why is the central nervous system so well protected? The answer is simple: because it is super sensitive and very vulnerable. Because there is no major movement, it is alright for the central nervous system to be entirely encased in bone. The nervous system is unique compared to many other organs in that it does not expand or contract like your heart, lungs, and intestines do. But when you look at the skull, it is basically a bony box with a few holes in it to let nerves leave the brain. Looking at a skeleton, have you ever asked yourself why the brain and spinal cord are the only organs in our body encased in bone? True, the lungs and the heart are also well protected by the rib cage. Your brain and your spinal cord together form what we call the central nervous system. And to cope with these challenges, the brain has an ingenious strategy to deal with injury. What is so different about the brain, and how does it repair itself? Brain cells face unique challenges when they get injured, for example, by a concussion or a stroke. In contrast, when the brain gets injured, we are often left with disabilities that stay with us for the rest of our lives. ![]() Worst case scenario, you may be left with a scar. ![]() Skin wounds like scrapes and cuts may be painful, but they usually heal perfectly. ![]()
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