Direct link: There is a direct passageway between the back of the mouth & nose. Gravity & coordinated drinking habits sends fluid down the swallow tube. If circumstances permit, fluids can go backwards into the back of the nose & out. There is no valve or wall preventing this.
Answered 1/16/2021
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Nasopharynx: The back of your mouth is connected to your pharynx via the oropharynx. Liquids can sometimes move upwards through the nasopharynx into your nose due to backpressure.
Answered 1/15/2021
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2 doctors weighed in across 2 answers
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A doctor has provided 1 answer
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