why are fine hair and mucus present in our nostrils ? Why should we not breathe in by mouth
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Answer:
A mucous membrane lines your nasal cavity and it helps keep your nose moist. Little hairs inside your nasal cavity help filter the air you breathe in, and block dirt and dust from getting into your lungs. When you breathe in through your mouth, or oral cavity, the air is moistened, but not filtered.
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Answer:
Cause our nostrils filter the air
Explanation:
The fine hair present in our nostrils is to protect the body from bad particles to not enter our body .
Mucus r present cause of dirt n dust
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