The major goals of the module are for students to a) be exposed to the overwhelming importance of size in an animal's life; b) understand the relationships between surface area, volume, and size; and c) see how the relationship between surface area and its volume is fundamental to the operation of many animal systems. The module includes simple calculations of surface area, an introduction to the mathematical relationship between size and heat loss/metabolic rate, and a series of questions exploring the relationship between surface area and organ function. There is also an opportunity to students to extend this understanding to the cellular level in optional additional exercises.
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