How do our lungs not fill up with dust?
In: Biology
Nose hairs and saliva catch almost all of it. We get rid of the dust by sneezing, blowing our nose, or swallowing it.
How do our lungs not fill up with dust?
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How do our lungs not fill up with dust?
In: Biology
Nose hairs and saliva catch almost all of it. We get rid of the dust by sneezing, blowing our nose, or swallowing it.
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