Why the air expelled from the mouth is smelly while the air expelled from the nose isn’t?

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Why the air expelled from the mouth is smelly while the air expelled from the nose isn’t?

In: Biology

11 Answers

Anonymous 0 Comments

If I burp and I am in a car with someone I hold it in my mouth and exhale through my nose. I’ve always noticed this doesn’t produce a noticeable foul smell when drinking or eating something odd. Haha

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