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book Microbiology 9th Edition by Laura Black, Jacquelyn Black cover

Microbiology 9th Edition by Laura Black, Jacquelyn Black

النسخة 9الرقم المعياري الدولي: 9781118934753
book Microbiology 9th Edition by Laura Black, Jacquelyn Black cover

Microbiology 9th Edition by Laura Black, Jacquelyn Black

النسخة 9الرقم المعياري الدولي: 9781118934753
تمرين 17
Which of the following components of the respiratory system is normally free of microorganisms?
(a) Lungs
(b) Nasal cavity
(c) Pharynx
(d) Trachea
(e) Bronchi
التوضيح
موثّق
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The upper respiratory tract consists of ...

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Microbiology 9th Edition by Laura Black, Jacquelyn Black
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