If this last thing occurs, the organisms can produce descendants to enhance chances of perpetuation. Once this is finished, each organism has accomplished their main purpose on life, and therefore, their remaining time will depend on how fast age, become dysfunctional, and die....
for example, are constantly being worn away and replaced. Indeed these cells appear to have the ability to regrow telomeres even in aged bodies. Scientists were curious why some cells shut down telomere growth with age, and some do not. ...
Why do men die earlier than women? The latest research makes it known that the reason could be that men’s hearts go into rapid decline(下降) when they reach middle age. The largest study of the effects of ageing on the heart has found that women’slongevitymay be linked to the fact ...
“Within the heart there are millions of cells that enable it to beat. Between the age of 20 and 70, one-third of those cells die and are not replaced in men,” said Goldspink. “This is part of the aging process.” What surprises scientists is that the female heart sees very little...
解答1.B 词义猜测题.根据第一段的 Why do men die earlier than women为什么男人比女人早死?及第二段The largest study of the effects of ageing on the heart has found that women's longevity may be linked to the fact that their hearts do not lose their pumping power with age.关于衰老对心脏影...
Producing emotional tears is a universal and uniquely human behavior. Until recently, tears have received little serious attention from scientists. Here, w
( C)2. Why did Burns die at an early age?A. Because he lost his hope for life.B. Because he was so sad to lose his first love.C. Because he lived a hard life and his healthwas poor as well.D. Because he was killed by others. 相关知识点: 试题来源: 解析 答案见上 ...
little about the emergence of this process during evolution. It is not clear whether aging is inevitable, because there are organisms that seemingly do not age at all, moreover, the phenomenon known as negative aging, or rejuvenation, does exist: some turtles’ vital functions improve with age...
He also shares what he’s doing in his own life. Right now, he is eating vegetarian, he’s lost weight, his numbers are better. I love David. He’s so intelligent. His curiosity, his playfulness, and he’s there to share, “Can we age better? How do we turn that internal biologi...
Why do men die earlier than women? The latest research makes it known that the reason could be that men’s hearts go into rapid decline(下降)when they reach middle age. The largest study of the effects of ageing on the heart has found that women’slongevitymay be linked to the fact th...