Answer:
I believe it is D. All of the above.
Explanation:
I'm kinda into science yet I have no explanation, so sorry ;-;
the answer is C. thinking about a problem constantly
Answer:
muscle cross sectional area is usually the greatest.
Explanation:
Aging process is something no one can avoid. As we are getting older, many things in our body changes. Like losing collagen after we reach 25 years of life, it's decreasing more and more as we are getting older. The same is with muscles. The case of losing muscles is called aging sarcopenia. It starts to begin around 25 years of life, but it reaches its maximum at the age of 65. It's natural that if we start to lose our muscles, we start to get weak. The same is with balance.
