Question

Pls tell the answer of 9 question

Answer 1

Explanation:

Most of the rest of the body can heal. The brain, spinal cord, and special senses, not so much.

“The head" includes structures such as the mandible, nose, and even hyoid, all of which can be healed in time. But head injury normally refers to the neurocranium, i.e. the brain case. Brain cells do not restore if they die, and bleeding in the brain can end the life.

The spine is in a way even worse. There's too little tissue in the cord for healing to bypass an injury, so damage to movement is permanent, or in the upper neck — life ending

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Answer 2

Because spinal chord is very important in our body because there are nurons which transmit signals to the brain. If spinal chord is damaged there are no signals passed to the brain and severe spinal injuries can lead to death.