Question

Air contains dust particles . Where do these particles come from ?Do they enter in our body when we breathe in air?​

Answer 1

Answer:

this dust particles come from our environment(pollution) .yes they enter our body when we breath .

Explanation:

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Answer 2

Answer:

When we inhale air containing dust particles, the particles get trapped in the hair present in out nostrils. Sometimes, these particles may pass through the hair and enter the nasal cavity. ... Sneezing expels the foreign particles from the inhaled air and dust-free clean air enters our body.



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