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Biological And Physical Process Of Aging
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The aging process is difficult to analyze because of the way that the body’s organ systems work together. The breakdown of one structure will ultimately affect the function of others. The medical field of gerontology deals with examining the biological changes of aging, both passive and active, th ....
Middle of essay
....s. Enzymes that usually inactivate these free radicals diminish in later years, thus increasing their danger.
The active process of aging involves new activities or the appearance of new substances. This process actually begins at birth, as certain cells begin to die. As the cells die, old structures are destroyed, and new ones will take their place. The number of neurons in the fetal brain, for example, is halved as only certain ones are spared from death. The appearance of lipofuscin may a.... |
| Number of words: 645 |
Approximate pages: 3 |
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