This article, titled "Tips and tricks for underwater resection. How to swim without drowning in this technique," provides guidance on the underwater resection technique for removing colon polyps. The authors discuss the limitations of conventional endoscopic mucosal resection (CEMR) and t...
1. 问题1可以直接从文章第一句“How far can someone swim underwater with just a single breath(呼吸)? For 31-year-old Jin Ming is 311 meters.”得出答案。 2. 问题2的答案出现在文章第二段“They need to hold their breath when they are underwater.” 3. 问题3的答案出现在文章第三段第一句“...
They also have a greater capacity than land animals to store oxygen in their blood. MALE STUDENT: So how does having more oxygen in their blood help them stay underwater longer? FEMALE PROFESSOR: It's the way the whale's blood carries oxygen to the rest of its body. Whales carefully ...
You also have the option of wearing a snorkel. It won’t make you swim faster, stay underwater longer, or blow colorful bubbles (that’d be cool though, right?). Instead, it’s nothing more than a fashion statement. The wetsuit, however, is mandatory. You can also get a unique Nook...
It needs people to keep calm underwater.Not being a full-time athlete means Jin must work while getting freediving training.He also faces the same challenges as professional athletes,including fluctuating(波动的)performances and self-doubt.Yet he never regrets his decision. Starting his freediving...
Welcome to our show, Prof. Stone. M: To begin with, I'd like to tell a story from my own life. Several years ago, when my grandparents were well into their 80s, they were no longer able to care for themselves very well. My grandfather was afraid of leaving the only home they had...
The Underwater World Here you will find different kinds of fishes and even some kinds of sharks. You will feel you are in the sea, but of course this is not true. If you like fishes, I suggest that you pay a visit to it. Time: 9:30 a. m. —5:30 p. m.1. In the Friendshi...
Fish rise and sink in water primarily using a swim bladder, which they inflate or deflate with oxygen to adjust their buoyancy. The swim bladder's volume changes allow the fish to displace different amounts of water, balancing the forces of buoyancy and gravity. Some fish, like sharks and ...
Once you’ve honed your technique and are able to swim longer distances without compromising your form, that’s when increasing the power of your pulls, or speeding up the tempo of your strokes starts to lead to a faster swim. And when you ramp up the volume and intensity of your workout...
Regardless, it’s not the most sanitary thing to put your head underwater right at the shore with pigs all around you. Go for a swim with the pigs in deeper, clean water. 5. Don’t pick them up In some cases, it’s ok to pick up the piglets and you can even bottle-feed them...