Which of the Following Statements About the Surface Area Available

question 44

Multiple Choice

Which of the following statements about the surface area available for gas exchange is true?

• A) When standardized for body mass all organisms are approximately equal.
• B) Internal partitioning of a lung reduces its volume and makes gas exchange less efficient.
• C) The surface area is positively correlated with the level of metabolic activity.
• D) Since active mammals have a higher respiration rate,the area available for gas exchange can be smaller than that of less active mammals with lower respiration rates.

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