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Title: Web Tutorial 41.1 Surface Area/Volume Relationships
Caption: The relationship between an object's surface area and its volume imposes constraints on all living things. How do animal cells maximize their surface area to increase the rate of diffusion across their membranes? This tutorial demonstrates the basic relationship between surface area and volume and explains how this relationship affects diffusion across cell membranes.
Keywords: diffusion, lamella, lamellae, metabolism, mitochondrion, mitochondria, organ, system, tissue, villus, villi