Sneezing is not exactly the primary purpose of the nose; it’s a full-body defense mechanism for when you breathe in particles you’re not supposed to, like allergens. And it requires tons of different muscle groups, including your abs and chest. Instead of comparing it to other bodily functions that aren’t defense mechanisms, it makes more sense to compare it to defense mechanisms such as vomiting, which also takes a lot of bodily effort to do.
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