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daser333 [38]
3 years ago
7

Which of the following is true about mucous lining the organs in the respiratory tract? A:Mucous is present only when a person h

as a severe respiratory infection. B:Mucous allows pathogens to enter the lungs quickly in order to enter the bloodstream. C:Mucous is not found in the respiratory tract. D:Mucous protects the organisms from pathogens that might be inhaled.
Health
2 answers:
Diano4ka-milaya [45]3 years ago
3 0
Answers D

Mucous is used to protect and heal and also help expel harmful bacteria from the body.
stich3 [128]3 years ago
3 0
Protection
last answer
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