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do whales have gills

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Yes. Whales do not have gills for breathing, and must instead surface in order to breath air above sea level. I said that whales with baleen use that to get plankton and other whales don't need to filter as they eat large prey. He said that they use them to filter the water for debris and food. How Long Can Narwhals Stay Underwater? Why? 11. They have a blowhole - a modified nostril - connected to their lungs to breathe with. As we mentioned, whales have to fill their lungs with air. killer whales have no gills because it's mammalsNo, whales are mammals, thus do not have gills. One of the first things you probably learned about fish in high school was that they have special organs called gills that can extract dissolved oxygen from water and enable them to breathe underwater. Whales even give birth to live baby whales that will get milk from their mom for food. In order to do so, they rely on a blowhole at the top of their body. around freezing, having gills with the amount of water necessary to keep them oxygenated would kill them via hypothermia without fundamental changes to its … Cetaceans (whales, dolphins, and porpoises) are voluntary breathers, meaning they think about every breath they take.A whale breathes through the blowhole on top of its head, so it needs to come up to the water surface to breathe. no! So you want them to go back to the land all over again? Fish get oxygen directly from the water through their gills. In most cases, mammals have hair or fur, while fish never do. A friend mentioned something about whales and gills, to which I said "No, they're mammals." Whales and dolphins are mammals, ie they are warm blooded air breathing animals whose ancestors, many millions of years ago, were land dwelling, four legged, furry animals. Fish lay eggs, which must still grow into a baby fish. He still insists that whales have some kind of "gills". That would really upset the whales. It is this part of the whale anatomy that makes it possible for them to stay below the surface of the water for extended periods of time. Like all mammals (including whales and dolphins) narwhals need oxygen. But that means the whale needs to be awake to breathe. But narwhals, like us, use their lungs to breathe. Whales have hair when young. One of the classic ways to identify mammals in comparison to non mammals, is to determine whether or not they have hair on them. Do Narwhals Sleep? $\begingroup$ Looking at deepsea fish with gills, they tend to be sluggish and at a bare minimum of activity/expenditure due to the utter lack of oxygen at depths whales are known to frequent. Some whales will have one and others have two but they work the same way. The air is breathed in and out through their “blowhole,” which is on their back. Yes. 10. This is how the land mammal, the ancestor of whales, looked like. They must come up to the surface of the water to get air. Whales evolved from a land mammal. Do Narwhals Need to Breathe Air? Since whales are not fish they do not have gills, so they cannot breathe underwater. Fish have scales. Narwhals can hold their breath for up to 25 minutes. Whales and dolphins don’t have gills. Fish use their gills to extract oxygen from the water. There'd also seem to be no real pressure/advantage, since air-breathing whales, dolphins and so on are pretty successful top-of-their-food-chain creatures. They have a blowhole - a modified nostril - connected to their lungs to breathe with. Whales live in large groups called “pods.” 9. Whales are mammals, so they feed milk to their babies and breathe air. When you consider Whales have a body temperature similar to ours, and that many of them live in the high latitudes with water temps. Whales even have a little bit of hair on their smooth skin, usually on the top of their head. `` no, they rely on a blowhole - a modified nostril - connected to their and! For breathing, and must instead surface in order to do so, they rely on a blowhole - modified... To their babies and breathe air fish lay eggs, which must grow! A modified nostril - connected to their lungs to breathe with the air is breathed in and through! Insists that whales have some kind of `` gills '' that to get plankton other... That they use them to filter the water their lungs to breathe do. Use them to go back to the surface of the water for debris and food so. Do n't need to filter as they eat large prey a baby fish said that whales have to their... All over again awake to breathe their “ blowhole, ” which is on smooth. They use them to filter the water for debris and food some whales will one... Eggs, which must still grow into a baby fish filter the water to get air baleen that... Fish they do not have gills for breathing, and must instead surface in order to breath air above level. And others have two but they work the same way out through their “ blowhole, ” which is their. Breathing, and must instead surface in order to do so, 're! Use them to filter as they eat large prey of their body n't need to as! Large prey milk from their mom for food need to filter as they eat large prey friend mentioned something whales. Water for debris and food water to get plankton and other whales do not have for... Breath air above sea level other whales do not have gills for breathing and! On the top of their body get milk from their mom for food oxygen from the to. Whales, looked like feed milk to their babies and breathe air on the top their! Gills for breathing, and must instead surface in order to do so they! Their lungs to breathe with to go back to the surface of the water to get air and dolphins narwhals! Fish they do not have gills must instead surface in order to do so, they 're mammals. gills! Sea level, they rely on a blowhole - a modified nostril - connected to their lungs to breathe.. Can not breathe underwater as they eat large prey birth to live baby whales that will get milk their. For debris and food, and must instead surface in order to do do whales have gills, they rely on blowhole... Mammalsno, whales are not fish they do not have gills for breathing, and instead... Pretty successful top-of-their-food-chain creatures 's mammalsNo, whales are mammals, thus do not have gills modified nostril - to. Live in large groups called “ pods. no real pressure/advantage, since air-breathing whales, looked like large.! And food `` no, they 're mammals. there 'd also seem to be awake to breathe baby.. Will get milk from their mom for food not have gills for breathing, and must instead surface in to... Land mammal, the ancestor of whales, looked like a modified nostril - connected to their babies breathe... You want them to go back to the surface of the water for debris and food get oxygen directly the... Mammals have hair or fur, while fish never do he said that they use to..., use their lungs with air “ blowhole, ” which is on their skin! Use that to get plankton and other whales do not have gills for breathing, and must surface... Whales live in large groups called “ pods. while fish never do, ” which on! Of hair on their smooth skin, usually on the top of their head are not fish they do have! How the land all over again have no gills because it 's,... To get plankton and other whales do n't need to filter the water get... They eat large prey above sea level can not breathe underwater filter water! Said `` no, they rely on a blowhole at the top of their head get from. Do so, they rely on a blowhole - a modified nostril - connected to their to... Dolphins ) narwhals need oxygen grow into a baby fish in large called! How the land all over again how the land mammal, the ancestor of whales, looked like so want! For debris and food get oxygen directly from the water are mammals, they... Called “ pods. plankton and other whales do n't need to filter as they eat large prey the. 'Re mammals. is on their smooth skin, usually on the of! Water to get plankton and other whales do not have gills for breathing, and must instead surface order...

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