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The trachea is the formal name of what is commonly called the windpipe. It functions as the pathway through which air is inhaled and exhaled to and from the lungs.
Air goes into the nose and then through the trachea.
The epiglottis covers the trachea, so that whatever you are swallowing does not get inhaled.
The gas we take in when we inhale is oxygen.
Mucous membranes and cilia in the trachea trap and eliminate particulate matter from inhaled air. The membranes also warm and moisten incoming air.
It isnt. There is no gas exchange in the trachea this takes place at the alveoli.
They help clear away any dirt or mucus that has been inhaled without knowledge of it doing so.
because that is the gas we release.
Air is inhaled through the nose (nasopharynx) or mouth (oropharanx) and travels down the pharynx past the epiglotis and into the larynx. Then down into the Trachea where it meets the Carina and goes either right or left into the Broncus. Then down to the Bronchi and finally the alveoli where gas exchange takes place with the pulmonary capilaries.
air, which is a mix of several gasses
It means that there is an escape of air/gas into the subcutaneous tissue in the part of the trachea that is closest to the head. This is not good because air/gas is not supposed to leak out of the lungs to anywhere but out of the body through the trachea. Was this person on mechanical ventilation?
Its a pipe which helps in passing inhaled air inside the lungs and exhaled air oustide the nose to the enviornment. It is also called windpipe