Health, 13.07.2020 22:01 byronanderson
Which of the following is true about mucous lining the organs in the respiratory tract? A:Mucous is present only when a person has 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.
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Which of the following is true about mucous lining the organs in the respiratory tract? A:Mucous is...
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