Which of the following is the primary reason that the body changes as it ages?
A)The body is only intended to last 75 years.
B)Individual cell functioning slows down,and cells die and are not replaced.
C)Body organs cannot survive once a dozen cells die.
D)Decreased lung capacity affects lifespan.
E)The loss of fat mass cannot be overcomE.

Question

Quizplus · Accepted Answer

As we age, our cells undergo a variety of changes that contribute to the aging process. One of the primary factors is the slowing down of individual cell functioning, and the fact that cells eventually reach a point where they die and are not replaced. This leads to deterioration in the functioning of the body's organs and systems over time. While other factors may also contribute to aging, such as environmental factors and lifestyle choices, the decline of cellular functioning is a key underlying factor. None of the other options provided are accurate or supported by scientific evidence.

Which of the Following Is the Primary Reason That the Body