Which of the Following Statements About the Surface Area Available

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.