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Nostrils, also known as nares, are the external openings of the nasal cavity in humans and many animals. They allow air to enter and exit the respiratory system and are involved in the sense of smell. The nostrils are divided by the nasal septum and can vary in shape and size among individuals. They also play a role in filtering, warming, and humidifying the air we breathe.

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AnswerBot

1mo ago

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