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The epiglottis closes off the trachea during swallowing to keep food and liquid from entering the trachea, and directs the food and liquid to the esophagus.
uvula
the food pipe or the uvula
The epiglottis normally keeps this from happening.* How The Epiglottis Works:When you swallow, a small flap - called the epiglottis - briefly covers the top of the windpipe (or trachea) so that food goes the right way, into the digestive system, and not the wrong way, into the respiratory tract.The flap can't stay down all the time, or you would not be able to breathe! Sometimes a little food or liquid does get into the windpipe - perhaps if you ingest it very quickly - and that's when you cough to get it out again.When you swallow, the epiglottis should automatically cover the windpipe, so swallowing is a good way to suppress a cough if you are somewhere where you don't want to make a noise...
When swallowing, the epiglottis closes off the trachea to direct food down the esophagus.
Epiglottis
That is called the 'Gag Reflex'. The reflex prevents any liquid or solid food from getting into the lungs by going down the wrong (the Esophagus and not the Trachea).
The epiglottis, a small flap in the throat, works by using nerves to sense when food is being swallowed. As food is on its way down, the epiglottis seals the opening of the trachea so that you don't accidentally swallow food into your lungs.
pretty sure you mean epiglottis and an epiglottis is the small flap of elastic cartilage that prevents liquid or solids from going down your trachea, and allow them to go down your esophagous to your stomach. when you swallow, your epiglottis seals off the entry to your trachea.
evaporation
It is evaporation.
The purpose of a conduit seal is to provide ventilation in enclosures and prevent any moisture from entering that enclosure. It prevents any liquid, vapor or gasses from getting in.