-In the figure, what is the function of the structure labelled as number 2?
Definitions:
Immunological Theory
A theory of aging that holds that the immune system is preset to decline by an internal biological clock.
Cellular Damage
Refers to injury to cells due to external factors like pathogens, toxins, or internal factors such as genetic mutations, leading to impaired cell function or death.
Aging
The process of becoming older, a physiological and biological progression that involves changes in physical, psychological, and social attributes over time.
Free Radicals
Unstable atoms or molecules that have unpaired electrons, which can cause damage to cells, proteins, and DNA by oxidative stress.
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