___ have hair to trap dust particles present in the air and stop them from entering our lungs.

Nostrils

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Mouth

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Ears

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Naval

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Solution

The correct option is A Nostrils
The nose has two openings called nostrils. Nostrils have fine hair to trap dust particles present in the air and stops them from entering our respiratory system.

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Similar questions

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

___ have mucus and cilia to trap dust particles present in the air and stops them from entering our body.

Statement I:Breathing through mouth is not recommended.

Statement II: It is because mouth doesn't have any filter mechanism like nostrils to filter dust from air while breathing.

Hairs present in our nostrils prevent the entry of _______ into our respiratory system.

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