WebDefine gills. gills synonyms, gills pronunciation, gills translation, English dictionary definition of gills. gill1 A fish breathes by swallowing water and passing it through gill … Webgill, in biology, type of respiratory organ found in many aquatic animals, including a number of worms, nearly all mollusks and crustaceans, some insect larvae, all fishes, and a few amphibians. The gill consists of branched or feathery tissue richly supplied with blood vessels, especially near the gill surface, facilitating the exchange of oxygen and carbon …

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WebTable 1. Fish gill adaptations to increase the rate and efficiency of gas exchange. Fig. 2. Fish gill structure. Notice how there are many filaments per gill, and many lamellae per filament, increasing the exchange surface compared to a single, straight exchange surface. Stomata Adaptations as Exchange Surfaces WebJan 17, 2024 · Gills are branching organs located on the side of fish heads that have many, many small blood vessels called capillaries. As the fish … check for circular references

Adaptation of fish gills Flashcards Quizlet

WebAdaptations for Water. Many structures in fish are adaptations for their aquatic lifestyle. Several are described below and shown in Figure … A gill is a respiratory organ that many aquatic organisms use to extract dissolved oxygen from water and to excrete carbon dioxide. The gills of some species, such as hermit crabs, have adapted to allow respiration on land provided they are kept moist. The microscopic structure of a gill presents a large surface … See more Galen observed that fish had multitudes of openings (foramina), big enough to admit gases, but too fine to give passage to water. Pliny the Elder held that fish respired by their gills, but observed that Aristotle was of another opinion. … See more The gills of vertebrates typically develop in the walls of the pharynx, along a series of gill slits opening to the exterior. Most species employ a countercurrent exchange system to enhance … See more • Aquatic respiration • Artificial gills (human) • Book lung See more Many microscopic aquatic animals, and some larger but inactive ones, can absorb sufficient oxygen through the entire surface of their bodies, and so can respire adequately without gills. However, more complex or more active aquatic organisms usually require a … See more Crustaceans, molluscs, and some aquatic insects have tufted gills or plate-like structures on the surfaces of their bodies. Gills of various types and designs, simple or more elaborate, … See more • Fish Dissection - Gills exposed Australian Museum. Updated: 11 June 2010. Retrieved 16 January 2012. See more flash in the pan blue hill maine