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Gill - Wikipedia Gills or gill-like organs, located in different parts of the body, are found in various groups of aquatic animals, including molluscs, crustaceans, xiphosurans, aquatic insects, polychaetes and most aquatic vertebrates (fish and amphibian tadpoles)
How Do Gills Work? | Function, Oxygen Uptake, Fish | Britannica Gills help aquatic animals breathe by allowing gases to move between water and blood Their feathery, branched structure is filled with superficial blood vessels, which gives them a large surface area for this exchange
How Do Gills Work? - American Oceans Gills are respiratory organs found in aquatic animals, including fish, sharks, lampreys, and hagfish They are responsible for extracting oxygen from water, which is then used to sustain the animal’s metabolism
What Is a Gill and How Does It Work? - Biology Insights Gills are specialized organs that allow many aquatic animals to extract dissolved oxygen from water and release carbon dioxide They serve as the primary means of respiration for a vast array of organisms
Gills - Definition, Examples, Quiz, FAQ, Trivia Definition: Gills are feathery organs made of thin filaments that extract oxygen from water and release carbon dioxide They're found on the sides of fish heads and on other aquatic animals
Understanding Gills: Structure, Function, and Impact Gills consist of specialized tissue that facilitates gas exchange, primarily oxygen absorption from water and expulsion of carbon dioxide The main structural elements include filaments, lamellae, and a supporting framework that varies across species
Fish Gills - Basic Biology Because they live in water, they have evolved gills which enable them to remove dissolved oxygen from water Most fish have four gills on both sides of their head