The Walls of the Alveoli Are Composed of Two Types

question 6

Multiple Choice

The walls of the alveoli are composed of two types of cells, type I and type II. The function of type II is to .

• A) replace mucus in the alveoli
• B) trap dust and other debris
• C) protect the lungs from bacterial invasion
• D) secrete surfactant

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February

The second month of the year in the Gregorian calendar, known for being the shortest month.

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