If you meant “swallowing wrong” as some people use, you have two tubes from your mouth that lead into your body: a tube to your stomach and a tube to your lungs. There is a flap over the tube to your lungs, called the epiglottis, that’s protects from food and water entering your lungs normally. Sometimes, you can swallow water and even food, that might enter the tube to your lungs, which typically causes coughing.
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