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Summary of Scale by Geoffrey West | Free Audiobook

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CHAPTER

The Four Dimensions of the Biological Network

Capillaries simply wouldn't be able to supply enough oxygen to the increasing number of cells, which would result in hypoxia. The same logic can explain why there are no smaller mammals than the shrew. Third property of biological networks is that they become optimized - meaning energy used is smallest it could possibly be given network constraints. For example, the human heart has now evolved to expend the least energy possible when pumping blood through the circulatory system.

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