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, ....
Middle of paper
.... during this lipid degeneration, a fatty, brown pigment known as lipofuscin accumulates. As this happens, the mitochondria, or the “powerhouse of the cell” begins to break down, thereby decreasing the amount of energy that is being supplied to the cell.
This cellular degeneration may be set into action by highly reactive chemicals known as free radicals. These molecules have an unpaired electron in the outermost valence shell. This causes the molecule to grab electrons from other molecu ....
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Word count: 645
Page count: 3 (approximately 250 words per page)
