The Alveolus Is

question 3

Multiple Choice

The alveolus is:

• A)one of the lobes of the lung.
• B)one of the breath sounds.
• C)the terminal element of the respiratory tract.
• D)the site at which oxygen is exhaled.
• E)located above the sternal notch.

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Definitions:

WBCs

White Blood Cells; cells of the immune system that are involved in protecting the body against both infectious disease and foreign invaders.

Macrophages

A type of white blood cell part of the immune system, responsible for detecting, engulfing, and destroying pathogens and cellular debris.

Lymphocytes

A type of white blood cell that plays an essential role in the body’s immune response, involved in protecting the body against antigens.

Lymphocytes

White blood cells that play a significant role in the immune system, including T cells and B cells.