Harold, who is 55 years old, did not realize how much his physical appearance had changed until he saw a picture of himself taken 20 years ago. Harold's gradual change in physical appearance was due to _____.

Question

Quizplus · Accepted Answer

Senescence refers to the biological aging process that leads to changes in physical appearance and function over time. It is a gradual and natural process that occurs in all living organisms, including humans. Homeostasis refers to the body's ability to maintain a stable internal environment, which is not relevant to changes in physical appearance. Organ reserve and allostasis are related to the body's ability to adapt to stressors and maintain optimal function, but not specifically to changes in physical appearance.

Harold, Who Is 55 Years Old, Did Not Realize How