What Is the Function of Type I Alveolar Cells

question 12

Multiple Choice

What is the function of type I alveolar cells?

• A)diffusion
• B)gas exchange
• C)production of surfactant
• D)ventilation

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Definitions:

Keratin

A horny, water-insoluble protein found in the epidermis of vertebrates and in nails, feathers, hair, and horns.

UV Radiation

Ultraviolet radiation, a type of energy emitted by the sun that can cause skin damage and cancer in living organisms.

Diffusion Barrier

A barrier that impedes the movement of substances by simple diffusion, often referred to in the context of cellular or membrane biology.

Blood Cells

Cells that circulate in the blood, including red blood cells (for oxygen transport), white blood cells (for immune defense), and platelets (for blood clotting).