However, if you breathe in a high concentration of oxygen, it will overwhelm the blood, disrupting the central nervous system, damaging the lungs, heart and brain. How much oxygen do we inhale and exhale? The average human being inhales and exhales a total of 11,000 liters of air per ...
Don't worry — none of those things would happen. But hanging out in a head-down position isn't completely harmless, either. In fact, being suspended upside down for too long might not eject your eyeballs (although it can occasionally lead to temporary loss of vision in some people), bu...
In the past, I only wanted people to see the best of me. Now, I find that I do not mind your seeing my faults because I want you to accept me the way I am. 以往,我只在人前呈现出最好的一面。如今我不介意你看到我的缺点,因为我希望你接受的,是一个完整的我。 I'm thankful to ...
Do you want to excel(突出表现)in the arts? Before you get your paintbrushes out, get a good night’s rest. People are much more creative when they rest well. Get a good night’s sleep and you are worth it.1题完成句子:2~3题简略回答问题;4题找出并写下全文的主题句;5题将文中画线句...
Why There Is Light on Earth But Not in Space 27 related questions found Do we age faster in space? Flying through outer space has dramatic effects on the body, andpeople in space experience aging at a faster rate than people on Earth. ... These studies showed that space alters gene func...
Like other species, we are the products of millions of years of adaptation. Now we're taking matters into our own hands.
In the majority of family homes, it’s common for children to be given the smallest rooms. They are, after all, the smallest people. But where grown-ups have the rest of the house to fill with their accrued material wealth, children’s only freedom to decide what they do and where thi...
NASA and other space agencies have announced plans to send people to the Red Planet. But such a manned mission is years away. In the United States, some volunteers are learning how people will react to months of separation from other humans on a Mars base. What would it be like to live...
The first step is seeing something you aren't before you are. Get yourself a Dream. And that dream has to be 'So Clear and So Real' that when you wake up in the morning all you have to do is Get out of bed and "STEP INTO YOUR DREAM"!
Luckily, many of NASA's Earth-observing satellites can see what the human eye can't—including potentially harmful pollutants lingering in the air we breathe. From the vantage point of space, these satellites help us measure and track air pollution as it moves around the globe and have contrib...