According to the _____, the immune system is preset to decline by an internal biological clock.
A) immunological theory
B) wear-and-tear theory
C) free-radical theory
D) cross-linking theory

Question

Quizplus · Accepted Answer

The immune system declining due to an internal biological clock is a concept in the immunological theory of aging. The wear-and-tear theory suggests that the body wears out over time due to accumulated stresses, while the free-radical and cross-linking theories relate to damage caused by oxidative stress and the accumulation of molecules that interfere with cellular function, respectively.

According to the _____, the Immune System Is Preset to Decline