The wear-and-tear theory of aging is weakened by the fact that many body functions benefit from use. Option C. is the right answer.
Aging in humans is the accumulation of changes that occur to a person through time and can include social, psychological, and physical changes. For instance, while memories and general knowledge normally get better with age, reaction time may slow down.
The process of growing older is referred to as aging. The word primarily relates to people, many other creatures, and fungus; in contrast, some basic animals, perennial plants, and microbes may be capable of having a biological immortality. In a broader sense, aging can apply to the population of a species or to individual cells within an organism that have stopped dividing.
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