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Question
When we inhale air, the incoming dirt and dust particles sticks to a sticky layer called
When we inhale air, the incoming dirt and dust particles sticks to a sticky layer called
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Solution
The correct option is B mucus
Mucus is a sticky layer to which the incoming dirt and dust particles stick when we inhale air. Moreover, there is also a layer of very small hair (nasal hair) that also traps dust particles.
Mucus is a sticky layer to which the incoming dirt and dust particles stick when we inhale air. Moreover, there is also a layer of very small hair (nasal hair) that also traps dust particles.
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