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SteptimusHeap OP t1_ixo0y8e wrote

Reply to comment by DennyRombardt in What physically decides whether air goes through the nose or through the mouth? by SteptimusHeap

How does the epiglottis block air coming in from the nose?

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DennyRombardt t1_ixo1fsb wrote

It doesn't. It blocks air coming in from your mouth. You can have your mouth open and only breath through your nose. Your epiglottis and tonsils close up at the back of your throat to block it. There is no internal way for you to block your nose.

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