Nasal hair prevents particles from entering the body.

water

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food

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dust

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Solution

The correct option is C dust
Nasal hair is present in the nostrils. It along with mucus traps the dust particles and prevent them from entering the body.

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Similar questions

The lining of the nasal chamber has mucus which prevents pollen and dust particles from entering into the lungs.

__ have hair to trap dust particles present in the air and stops them from entering our body.

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