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In order to remove oxygen from the water, they rely on special organs called “gills.” Gills are feathery organs full of blood vessels. A fish breathes by taking water into its mouth and forcing it out through the gill passages.Answer: Aquatic animals like fish, crab, octopus, etc., live in water. They respire through special organs called gills and absorb dissolved oxygen from the water.Fish take water into their mouth, passing the gills just behind its head on each side. Dissolved oxygen is absorbed from—and carbon dioxide released to—the water, which is then dispelled. The gills are fairly large, with thousands of small blood vessels, which maximizes the amount of oxygen extracted.
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How do aquatic animals breathe in water class 6?
Answer: Aquatic animals like fish, crab, octopus, etc., live in water. They respire through special organs called gills and absorb dissolved oxygen from the water.
How does a fish breathe underwater?
Fish take water into their mouth, passing the gills just behind its head on each side. Dissolved oxygen is absorbed from—and carbon dioxide released to—the water, which is then dispelled. The gills are fairly large, with thousands of small blood vessels, which maximizes the amount of oxygen extracted.
How Do Fish Breathe? | Animal Science for Kids
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Why can aquatic animals breathe in water?
The aquatic animals can breathe under water due to the presence of dissolved oxygen in water.
How do aquatic animals breathe in water for Class 4?
Note: The aquatic animals breathe underwater due to the presence of the dissolved oxygen in the water. They inhale the dissolved oxygen with the help of a feathery organ named gills. Gills are composed of blood vessels.
How do aquatic animals breathe Class 10?
The aquatic animals have gills for respiration while terrestrial animals use lungs.
How do dolphins breathe?
Dolphins are mammals, not fish.
Unlike fish, who breathe through gills, dolphins breathe air using lungs. Dolphins must make frequent trips to the surface of the water to catch a breath. The blowhole on top of a dolphin’s head acts as a “nose,” making it easy for the dolphin to surface for air.
How do gills work on a fish?
Gills are branching organs located on the side of fish heads that have many, many small blood vessels called capillaries. As the fish opens its mouth, water runs over the gills, and blood in the capillaries picks up oxygen that’s dissolved in the water.
See some more details on the topic How do aquatic animals breathe underwater? here:
How Do Animals Breathe Underwater? | Live Science
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How Do Animals Breathe Underwater?
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They have blowholes on their backs, similar to how we have nostrils. To breathe, they come to the surface of the water and push their blowholes …
The aquatic animals can breathe under water due to class 11 …
Hence, option (B) oxygen, is the correct option. Note: The aquatic animals breathe underwater due to the presence of the dissolved oxygen in the water. They …
How can fish survive in water?
A fish breathes by taking water into its mouth and forcing it out through the gill passages. As water passes over the thin walls of the gills, dissolved oxygen moves into the blood and travels to the fish’s cells.
How do aquatic animals breathe Class 5?
Aquatic animals like fish, mussels and prawns have gills which help them breathe the dissolved oxygen in water. Gills are composed of a large number of thin filaments.
How does aquatic animals get oxygen for breathing?
They come to surface of the water everytime they respire. They take in dissolved carbon dioxide for respiration. They use water for respiration. They taken in dissolved oxygen for respiration.
How do aquatic animals such as fish get oxygen for breathing?
Many aquatic animals have developed gills for respiration which are specifically adapted to their function. In fish, for example, they have: A large surface area to allow as much oxygen to enter the gills as possible because more of the gas comes into contact with the membrane.
How Do Aquatic Animals Breathe?: talk about the process of respiration underwater| Tidbits
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How do marine mammals breathe underwater?
Whales and dolphins are mammals and breathe air into their lungs, just like we do. They cannot breathe underwater like fish can as they do not have gills. They breathe through nostrils, called a blowhole, located right on top of their heads.
How do animals live in water?
most of them have gills or special organs which helps them to breathe in water as water also consists of air. this is how plants and animals survive in water.
How do underground animals get oxygen?
their skin. and Instead of breathing air though their mouth into lungs, worms absorb oxygen from the air across their skin.
How do animals breathe for Class 3?
Animals obtain oxygen through breathing process, which produces energy by oxidizing digested food. Like animals, plants also take in oxygen for breathing and give out carbon dioxide all the time.
Where do aquatic animals get oxygen from?
But worms, fish, crabs and other underwater animals use gills to get oxygen from the water. As water moves across an animal’s gills, oxygen is removed and passed into the blood. Gills work better when there is more oxygen in the surrounding water.
How do gills help in respiration?
Fish exchange gases by pulling oxygen-rich water through their mouths and pumping it over their gills. In some fish, capillary blood flows in the opposite direction to the water, causing counter-current exchange. The gills push the oxygen-poor water out through openings in the sides of the pharynx.
Which aquatic animal breathes through lungs?
Whales and dolphins are mammals and breathe air into their lungs, just like we do. They cannot breathe underwater like fish can as they do not have gills. They breathe through nostrils, called a blowhole, located right on top of their heads.
Which organs helps aquatic animals to breathe?
Through Gills
A majority of aquatic animals like fish and prawns breathe through special organs called gills. Gilla are projections of the skin that help in using oxygen dissolved in water. Gills contain blood vessels which help in exchange of gases.
How do sharks breathe?
The breathing process for sharks begins and ends with their gills, which they use to both extract oxygen from water and rid their bodies of carbon dioxide. Here’s the quick version of how it works, according to Sharkopedia: As water passes over the gills, small capillaries allow oxygen to enter the bloodstream.
How Do Marine Mammals Hold Their Breath For So Long?
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How do frogs breathe?
The frog has three respiratory surfaces on its body that it uses to exchange gas with the surroundings: the skin, in the lungs and on the lining of the mouth. While completely submerged all of the frog’s repiration takes place through the skin.
How do whales hold their breath?
One of the biggest advantages whales have for holding their breath so long is myoglobin. Myoglobin is a protein present in the muscles of most mammals whose primary job is to bind to oxygen molecules which helps to store excess oxygen.
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