The large number of alveoli in mammalian lungs,the numerous lamellae in fish gills,the papulae of echinoderms,and the extensive tracheal system of insects are all adaptations that optimize what factor in the formula for Fick's Law of Diffusion?
A)D
B)Δp
C)d
D)A

Question

Quizplus · Accepted Answer

The factor that is optimized by the adaptations mentioned in the question is the surface area of the respiratory membrane, which is represented by the variable A in Fick's Law of Diffusion. Therefore, the correct answer is D: A.

The Large Number of Alveoli in Mammalian Lungs,the Numerous Lamellae