what is the ageing process
what is your age and in which class you studying
Answers
Answer:
12 class
Step-by-step explanation:
Aging is associated with changes in dynamic biological, physiological, environmental, psychological, behavioral, and social processes. Some age-related changes are benign, such as graying hair. ... In fact, advancing age is the major risk factor for a number of chronic diseases in humans.
Answer:
The somatic mutation theory of ageing states that the accumulation of random mutations inactivates genes, that are important for the functioning of the somatic cells of various organ systems of the adult, which results in a decrease in organ function.
The cross-linking theory of ageing assumes, that with increasing age, tendons, skin, and even blood vessels lose elasticity. This is due to the formation of crosslinks between or within the molecules of collagen, that give elasticity to these tissues.
The free radical theory of ageing states, that organisms age because cells accumulate free radical damage over time. Free radical damage is closely associated with oxidative damage.
Step-by-step explanation: