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. ...
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....
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...
head of the study,David Goldspink of Liverpool John Moores University in the UK."Within the heart there are millions of cells that enable it to beat.Between the age of 20and 70.one-third of those cells die and are not replaced in men,"said Goldspink."This is part of the ageing ...
For decades, the medical community has looked to a variety of reasons for why we age, and the consensus is that no one dies of old age; they die of age-related diseases. That's because ageing is not a disease – it is inevitable. But what if everything you think you know about age...
1.猜词题:从第一段的句子:Do you know that men die earlier than women?可知这个单词指的是女性的长寿。选B 2.主旨大意题。根据文章第 1 段的第 2 句…the reason could be that men’s hearts go into rapid decline when they reach middle age 和第 2 段中的 women’s longevity may be linked ...
The answer may rather be hormones. Before age 40, when virtually all women are still producing estrogen, heart disease kills three men for every woman. But from that point onward, the odds in favor of women drop steadily. For both sexes, heart disease is the leading cause of death. But ...
Polluted air and steadily rising temperatures are linked to health effects ranging from increased heart attacks and strokes to the spread of infectious diseases and psychological trauma.
There are two answers to this question. First, we must recognize that death is inevitable for all humans. However, death can either be naturally induced or artificially induced. In the first instance, people die via factors such as old age, sicknesses,diseases, and the likes. On the other...
1. I was thinking about my bucket list—you know, a list of things you want to do before you die? Anyway, one thing on mine is I plan to visit Antarctica someday. It’s the coldest place on Earth. Everyone always says to me, “What can you do in Antarctica?” A lot, actually...