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Unformatted text preview: permanent alterations to memory and emotions. This barrier is produced through the selectivity of tight junctions that lie between the endothelial cells in the blood vessels of the central nervous system that restrict the passage of certain large solutes that cant otherwise diffuse through the cells membrane, like oxygen. Application: In addition to environmental stress, molecular stress from chemicals and large molecules can have a serious and permanent impact on a developing brain. 6.23.5 How are high failure rates related to component redundancies? Answer: The more redundant components that there are, the lower the failure rate will initially be, but with time, all the components will fail because they are imperfect. Application: Without death, there would be no reason to pass on one's genetic material....
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- Spring '08