Microorganisms Removed from Incoming Air by the Mucus of the Respiratory

question 100

Multiple Choice

Microorganisms removed from incoming air by the mucus of the respiratory tract are ultimately exposed to and destroyed by

• A) toxins in the mucus.
• B) the cilia.
• C) stomach acids and enzymes.
• D) a lack of nutrients.
• E) alveolar macrophages.

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