What Reduces Friction Around the Lungs as They Expand and Contract

question 11

Multiple Choice

What reduces friction around the lungs as they expand and contract?

• A)pleural fluid
• B)mucus
• C)surfactant
• D)synovial fluid

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Definitions:

ATP Molecules

Adenosine triphosphate, an energy-carrying molecule found in the cells of all living things.

Glycolysis

The metabolic pathway that converts glucose into pyruvate, releasing energy and pyruvic acid, and takes place in the cytoplasm of cells.

Aerobic Respiration

The process by which cells convert glucose and oxygen into energy, carbon dioxide, and water in the presence of oxygen.

Oxidized

The process of losing electrons during chemical reactions, which can change the chemical structure and properties of substances.