Answer:
The stratum corneum is the outermost layer of the epidermis and marks the final stage of keratinocyte maturation and development. Keratinocytes at the basal layer of the epidermis are proliferative, and as the cells mature up the epidermis, they slowly lose proliferative potential and undergo programmed destruction.
It is true that the five
stages of grief are not experience in a neat or sequential order because others
do not have to go through the five stages in order to heal. Some people resolve their
grief without going through any of these stages of Denial, Anger,
Bargaining, Depression and Acceptance.
In addition, Elisabeth
Kübler-Ross, a psychiatrist introduced what became known as the “five stages of
grief.”
I think it is natural selection. genetic variation also could be a factor for physical variation over the years.
