A penguins leg is composed of a short femur, knee, tibia and fibula. Penguins appear to have very short legs and no knees because only the lower leg is externally visible. Its causes range from benign physiological processes to rare neoplasms. They come under the category of aquatic and flightless birds. Actually, a penguins leg is not much different from our own. This waddle makes them look like we do when we try to walk while locking our knees, which makes some wonder if penguins have no knees at all.
Here you can compare the leg of a penguin skeleton left to a model of a human skeleton right. One obvious characteristic of a bird skeleton is the keel, or sternum. Why is barbies hair made out of nylon, but kens hair is plastic. If you try to flex your knee while not moving the thigh bone along the hip joint, you will find you can only flex it backwards. Do penguins have knees is one of the hundreds of simple daily questions. Penguins have short legs that allow them to stand upright and walk with a waddling motion. Mar 08, 2010 yes anne they do indeed have knees,,, penguins appear to have very short legs and no knees because only the lower leg is externally visible. A penguin s leg is composed of a short femur, knee, tibia and fibula. They are all hidden under the thick layer of their body. Editions of do penguins have knees an imponderables book. And for all i know, this having been my first such book, there could be more. Of course, being a few pounds on the chunky side doesnt much help them with their stride either. She holds marine science and biology degrees from the university of miamis rosenstiel school of marine and atmospheric science and a master of advanced studies degree in marine biodiversity and conservation from scripps. Do penguins have knees available for download and read online in other formats.
An imponderables book pdf free download ncbi bookshelf. It is actually a good thing that they have short stubby legs. Like humans, penguins too have a femur, patella, tibia and fibula. I have to agree that the way penguins waddle along it seems as if they dont have knees, but their silly looking walk is the result of having very short legs and not from a lack of knees. This also means that penguins never get cold knees. Part of the imponderables series, do penguins have knees. B this article has been rated as bclass on the projects quality scale. So, penguins cannot walk by flexing their knees, unlike most birds. Though you might not be able to tell from their plump bellies and adorable waddles, penguins do, in fact, have knees. Pdf do penguins have knees download full pdf book download. Penguins do have knees, you just cant see them hidden away under all those fluffy feathers. Apparently, penguins have knees hidden beneath their feathers. Late 80s early 90s childrens movie about penguins 8 answers.
The highly successful imponderables series continues with feldmans best collection yet of questions about everyday life for which encyclopedias and other reference books just dont have answers. Popculture guru david feldman demystifies these topics and so much more in do penguins have knees. Do penguins have knees an imponderables book david. This has led to at least six imponderables books, do penguins have knees being the sixth.
An imponderables book and millions of other books are available for amazon. It was about two baby penguins there was a blue one and a pink one and they get captured and put on a ship i think it was winter. A penguin s skeletal structure is laid out in the same general pattern as other birds. Do penguins have knees an imponderables book imponderables.
She holds marine science and biology degrees from the university of miamis rosenstiel school of marine and atmospheric science and a master of advanced studies degree in marine biodiversity and conservation from scripps institution of oceanography. Seeing that penguins spend most of their lives in the sea, it makes sense for them. The lower region of the penguins body is covered with feathers which gives the penguins body a short and stubby appearance. The femur, knee, tibia, and fibula are the bones that make up the penguins leg. They definitely have the same why gene i did and i can already seem them driving people a little batty with their thirst for knowledge. This content was uploaded by our users and we assume good faith they have the permission to share this book. Why is it said that an alarm clock is going off when really its turning on. Download it once and read it on your kindle device, pc, phones or tablets. Penguin is part of wikiproject birds, an attempt at creating a standardized, informative and easytouse ornithological resource. Looking at a penguin, this is one of the first questions to arise in a persons mind. In libraries, do they put the bible in the fiction or nonfiction section. If you would like to participate, visit the project page, where you can join the discussion and see a list of open tasks.
If you try an xray on penguin legs, you would be surprised to know that they do have knees. When we see flamingos, or other birds with long legs, they appear to possess a knee turned backwards, but these are not the equivalent of a human knee. But they do get the job done and thats all that penguins care about. Do penguins have knees an imponderables book imponderables series 5 kindle edition by feldman, david. Ok im about to be 19 and the movie im looking for i always watched when i was younger. And think about it, where else are you going to get to the bottom of how beer was kept cold in the old west. Don bruning, curator of ornithology at the new york zoological park bronx zoo, who told us that the backwards joint that we perceive as a knee in flamingos actually separates the bird. If you were to xray a penguin s legs, you would discover that penguins do indeed have knees.
So, penguins have to waddle forward even though they have knees. Jul 06, 2007 penguins waddle, but they do have knees. Do penguins have knees an imponderables book by david feldman. Penguins, on the other hand, have legs that seem to be used for entertainment purposes only. Dives of the large emperor penguin have been recorded which reach a depth of 565 m 1870 ft and last up to 20 minutes. The structural configuration of the knees of a penguin is based on the same structure of bones that give form to a human leg. Book ideas for advanced readers do penguins have knees. They dont even have particularly short legs, so why do penguins waddle. The books examine, investigate, and explain common, yet puzzling phenomena. Given the fact that penguins spend so much time standing, i would assume that they need knees in order to do so.
A penguin s leg has a short femur, knee, tibia and fibula. The upper leg bones are not visible as they are covered in feathers giving penguins a very short legged appearance. Hundreds of questions youd only ask a doctor after your third martini mark leyner and billy goldberg, m. And think about it, where else are you going to get to. A penguins leg has a short femur, knee, tibia and fibula. Does a twohumped camel store more water than a onehumped camel. Editions for do penguins have knees an imponderables book.
Unlike those of flying birds, the feathers on a penguin wing are very short. These are questions that people write in to ask and, once gathered, the author, david feldman, poses these questions to experts in the fields of study that pertain to the question. Mar 18, 2018 this waddle makes them look like we do when we try to walk while locking our knees, which makes some wonder if penguins have no knees at all. After all, if you didnt have knees, youd probably waddle, too. If youve ever watched a penguin waddle, you may have wondered. This is designed to be very wide and flat, but lays perpendicular to the ribs. Imponderables is a series of eleven books written by david feldman and published by harper collins.
There is a simple reason behind this, penguins are often seen while standing or walking on snow and this can give an illusion that they dont have knees. They have a femur, a tibia, a fibula, and of course knees. Do penguins have knees is one of the hundreds of simple daily questions answered that you havent bothered to figure out yourself because your too lazy. This is because the upper leg bones of penguins are covered by its feathers, making it appear as though they have very short legs. Do penguins have knees an imponderables book by david. Brody wonders, do penguins have knees thanks for wondering with us, brody. Scientists have determined that walking costs much. How do you feel when you watch birds having dark and light plumage jumping here and there. Yes anne they do indeed have knees,,, penguins appear to have very short legs and no knees because only the lower leg is externally visible. I wouldnt order it for a kid up to about 10 years old though.
Download pdf do penguins have knees book full free. It may seem that penguin s dont have knees when they waddle. And, im sure whenever you must have watched a penguin waddle, you would have had one question looming over year head and that is do penguins have knees. Scientists think its because penguin legs have evolved to help them swim more efficiently, which has resulted in them being set further back on the body than you might expect. Asked in flightless birds, penguins, club penguin what do penguins use their arms for. An imponderable book and thousands more of the very best toys at fat brain toys. The bones of penguins, unlike other birds, are very dense and thick because they need to be able to dive quickly and stiffen their wings so that they can be highly efficient in the water. The reason why their legs appear to be short and sturdy is that a large portion of their upper leg is obscured by dense feathers. Penguins do in fact have knees, femurs, and many other bone structures. Penguins, flamingos, and other birds do have knees with patellas knee caps that bend and function much like their human counterparts. If you own the to this book and it is wrongfully on our. Destined to join the ranks of feldmans earlier bestselling works like why do dogs have wet noses.
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