‘Brain and spinal cord are two vital organs of our body'

‘Brain and spinal cord are two vital organs of our body’. How is our body designed to protect them?
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Our brain is known as the most delicate organ. How is it protected by our body? Explain.

The brain in human beings is known to be the most delicate organ due to which it is placed inside a bony box. It is contained in a fluid-filled balloon for shock absorption. Spinal cord is located within the vertebral column. The backbone protects it from any injury.