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Hoover Dam was built in the 1930's on the Colorado River, and at that time was extremely important as an employment project. The United States was just coming out of the Great Depression and it was viewed as a life-saver by thousands of people across the country. Now this dam is 80 years old. Drawing from information in this chapter about aging dams, what is a severe problem that could be expected?
Phenotype
The set of observable characteristics of an individual resulting from the interaction of its genotype with the environment.
Chronic Stress
A long-term and constant form of stress, deriving from unresolvable issues that lead to a state of ongoing physiological arousal.
Immune System
A complex network of cells, tissues, and organs that work together to defend the body against infections and diseases.
Cardiovascular System
The body’s system comprised of the heart and blood vessels, responsible for circulating blood and nutrients throughout the body.
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