system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why do we have two nostrils, and not just one bigger nostril?

Ears makes sense, arms/hands make sense, legs/feet makes sense.. Why two nostrils?
gpt
Could you imagine only having one nostril? What would happen when it clogs 30% of the day and you don't have the other to fall back on? What about when you have the sickness? Would you be down with it?