To Increase the Effectiveness of Exchange Surfaces in the Lungs

question 21

Multiple Choice

To increase the effectiveness of exchange surfaces in the lungs and in the intestines, evolutionary pressures have

• A)increased the surface area available for exchange.
• B)increased the thickness of these linings.
• C)increased the number of cell layers.
• D)decreased the metabolic rate of the cells in these linings.
• E)increased the volume of the cells in these linings.

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Definitions:

Republic of Georgia

A country located at the intersection of Eastern Europe and Western Asia, known for its diverse culture and history.

Developed Later

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A form of psychotherapy that treats mental, emotional, and behavioral issues by identifying and modifying dysfunctional thinking patterns.