If it is not removed immediately, a person will die.
Closing the trachea would prevent air from reaching the lungs, leading to suffocation and eventually death. It would obstruct the flow of oxygen into the bloodstream and prevent the removal of carbon dioxide from the body. Immediate medical intervention would be required to reopen the trachea.
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food and liquid may enter the trachea during the act of swallowing.
Your brain would get damaged and you would die.
The nucleus would be damaged.
the air cannot pass through trachea
you will be paralized
Death would occur.
Food would get stuck in your throat when you tried to swallow.
For a human who has smoked and destroyed the cilia by coating the inner wall of the trachea with tar, the mucus that is secreted will have no mechanism to bring it up the trachea to be swallowed except for the 'smoker's hack', a chronic cough that brings up the phlegm from the lungs. Those cilia do not regenerate so, the person will have the 'smoker's hack' for the rest of his life.
The nucleus would be damaged.
The nucleus would be damaged.