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Home Q & A Board Biology-Related Homework Help Anatomy and Physiology
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snowhite snowhite
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8 years ago
Most foreign substances in inspired air fail to reach the lungs because of the
A) porous structure of the nasal conchae.
B) abundant blood supply to the nasal mucosa.
C) ciliated epithelium and mucus that line the respiratory passages.
D) action of the epiglottis.
Textbook 
Human Anatomy

Human Anatomy


Edition: 7th
Authors:
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WideEyesWideEyes
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snowhite Author
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8 years ago
Thank you!
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#3
8 years ago
@snowhite

Happy to help Slight Smile
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