Why do you have two of some organs and just one of others? Take the heart and lungs, for instance -- why do you have two lungs but just one heart? Wouldn't it be better to have two hearts? Your vital organs -- like your lungs, your heart, your pancreas, brain and liver -- ...
Even if these frogs don’t have lungs, they can use their skin for breathing underwater. If oxygen levels are low, they won’t be able to do that, and they’ll need to go to the surface more often and get tired faster. Since frogs interact with water with their skin, it is also ...
Why are some people more successful than others Why do some people make more money, live happier lives and achieve much more in the same number of years than most people Over the years, I have read thousands of books and articles on the subjects of success and achievements. It seems that...
Python characteristics: Leftover legs and lungs Snakes arose from within the lizard lineage; they diversified over time into the nearly 3,500 extant species. Pythons form one of the most ancient snake lineages. They have retained a few anatomical features that have been lost in more advanced spe...
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Why do absorptive cells of the duodenum have microvilli? Explain why an intercalated disc is important regarding the different types of intracellular junctions? Why is xylem described as a tissue? Explain why early chordates had lungs that got replaced with swim bladders, and now chordates h...
“The first eye, the first wing, the first placenta. How they emerge. Explaining these is the foundational motivation of evolutionary biology,” says Armin Moczek, a biologist at Indiana University. “And yet, we still do not have a good answer. This classic idea of gradual change, one ...
A greenery lover but don’t have time to visit the countryside of Bankok? Well, then this tuk tuk tour is made just for you. Visit Bangkok’s “green lungs”, a part that is still hidden from many tourists. This tour will firstly take you Khlong Toei Market which is the largest fresh...
because they do something very unusual—something you might not have even thought possible…OK, North American wood frogs live over a very broad territory, or range—they're found all over the northeastern United States, and all through Canada and Alaska—even inside the Arctic Circle.No other...
Therefore, in the history of human civilization for thousands of years, we do not know the existence of cells. In the eyes of many people, flea ants are very small creatures, it is difficult to imagine that in the eyes of small eyes are not seen on the scale of life, how small arms...