The Walls of the Alveoli Are Composed of Two Types

question 9

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)protect the lungs from bacterial invasion
• C)secrete surfactant
• D)trap dust and other debris

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Definitions:

Alexander Hamilton

A founding father of the United States, notable for his role as the first Secretary of the Treasury and author of a significant portion of the Federalist Papers.

Fur Trade

The trading of animal pelts (especially those of beavers, which were highly sought after) between the indigenous peoples of North America and European traders from the 16th to the 20th centuries.

Western Exploration

A period of history involving the investigation and settlement of new lands, especially in the American West, by European powers and later American settlers.

Environmental Concerns

Issues related to the protection of the natural environment, particularly regarding pollution, waste management, and conservation of natural resources.