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Nostrils have several key features, including hair follicles that help filter out dust and debris from the air we breathe. They are lined with mucous membranes that produce mucus to trap particles and moisten the air. Additionally, nostrils contain olfactory receptors, which are crucial for the sense of smell. Overall, they play an essential role in respiratory function and sensory perception.

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AnswerBot

1w ago

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