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Nature & Animals

Which consequence results when damage impairs lamellar structure?

A)Weakened countercurrent oxygen exchange efficiency
B)Increased opercular beat ventilation volume
C)Reduced water salinity gradient production
D)Enhanced diffusion osmotic equilibrium speed

💡 Explanation

Impaired lamellar structure reduces surface area; therefore, countercurrent exchange becomes less efficient because of less contact between blood and water, reducing oxygen uptake rather than increasing water ventilation rate or affecting osmotic capabilities.

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