Collagen,an elastic tissue that becomes less elastic as we get older,is a good example of the __________ theory of aging.
A)wear-and-tear
B)cellular-clock
C)free-radical
D)active

Question

Quizplus · Accepted Answer

The wear-and-tear theory of aging suggests that the body, much like a machine, simply wears out over time as a result of repeated use and exposure to environmental factors. Collagen, as a tissue that becomes less elastic and more prone to damage over time, is a good example of this type of aging process. The other options - cellular-clock, free-radical, and active theories - have different explanations for how and why aging occurs, and do not specifically relate to the breakdown of connective tissues like collagen.

Collagen,an Elastic Tissue That Becomes Less Elastic as We Get