What is a natural part of aging?
Smoking apoptosis regeneration illness stimulation cracking Weight firm skin
A B C D E F G H
Apoptosis means cell death.
Apoptosis is a natural part of aging.
What is a natural part of aging? (A) Smoking (B) apoptosis (C) regeneration (D) illness (E) stimulation (F) cracking (G) Weight (H) firm skin