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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...

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12y ago
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15y ago

The body automatically reacts and covers the trachea with the epiglotis.

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14y ago

The structure known as epiglottis folds to cover the trachea (breathing tube) from the esophagus (eating tube) and prevents any water or food from entering the lungs.

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11y ago

a little flap of tissue called the epiglotis prevents food and liquid from entering the lungs

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11y ago

trachea

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Q: What stops food entering the lungs?
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